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2023-01-16dt-bindings: net: dsa: allow additional ethernet-port propertiesColin Foster
Explicitly allow additional properties for both the ethernet-port and ethernet-ports properties. This specifically will allow the qca8k.yaml binding to use shared properties. Signed-off-by: Colin Foster <colin.foster@in-advantage.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16dt-bindings: net: dsa: utilize base definitions for standard dsa switchesColin Foster
DSA switches can fall into one of two categories: switches where all ports follow standard '(ethernet-)?port' properties, and switches that have additional properties for the ports. The scenario where DSA ports are all standardized can be handled by switches with a reference to the new 'dsa.yaml#/$defs/ethernet-ports'. The scenario where DSA ports require additional properties can reference '$dsa.yaml#' directly. This will allow switches to reference these standard definitions of the DSA switch, but add additional properties under the port nodes. Suggested-by: Rob Herring <robh@kernel.org> Signed-off-by: Colin Foster <colin.foster@in-advantage.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Alvin Šipraga <alsi@bang-olufsen.dk> # realtek Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16dt-bindings: net: dsa: qca8k: remove address-cells and size-cells from ↵Colin Foster
switch node The children of the switch node don't have a unit address, and therefore should not need the #address-cells or #size-cells entries. Fix the example schemas accordingly. Suggested-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Colin Foster <colin.foster@in-advantage.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16dt-bindings: net: dsa: sf2: fix brcm,use-bcm-hdr documentationColin Foster
The property use-bcm-hdr was documented as an entry under the ports node for the bcm_sf2 DSA switch. This property is actually evaluated for each port. Correct the documentation to match the actual behavior and properly reference dsa-port.yaml for additional properties of the node. Suggested-by: Rob Herring <robh@kernel.org> Signed-off-by: Colin Foster <colin.foster@in-advantage.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16dt-bindings: dsa: sync with maintainersColin Foster
The MAINTAINERS file has Andrew Lunn, Florian Fainelli, and Vladimir Oltean listed as the maintainers for generic dsa bindings. Update dsa.yaml and dsa-port.yaml accordingly. Signed-off-by: Colin Foster <colin.foster@in-advantage.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16Merge tag 'for-6.2-rc4-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "Another batch of fixes, dealing with fallouts from 6.1 reported by users: - tree-log fixes: - fix directory logging due to race with concurrent index key deletion - fix missing error handling when logging directory items - handle case of conflicting inodes being added to the log - remove transaction aborts for not so serious errors - fix qgroup accounting warning when rescan can be started at time with temporarily disable accounting - print more specific errors to system log when device scan ioctl fails - disable space overcommit for ZNS devices, causing heavy performance drop" * tag 'for-6.2-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: do not abort transaction on failure to update log root btrfs: do not abort transaction on failure to write log tree when syncing log btrfs: add missing setup of log for full commit at add_conflicting_inode() btrfs: fix directory logging due to race with concurrent index key deletion btrfs: fix missing error handling when logging directory items btrfs: zoned: enable metadata over-commit for non-ZNS setup btrfs: qgroup: do not warn on record without old_roots populated btrfs: add extra error messages to cover non-ENOMEM errors from device_add_list()
2023-01-16wifi: rtl8xxxu: Dump the efuse only for untested devicesBitterblue Smith
It appears this was the intention all along, but commit 3307d84024d2 ("rtl8xxxu: Add initial code to parse rtl8192eu efuse") initialised rtl8xxxu_debug with RTL8XXXU_DEBUG_EFUSE for no apparent reason, which made it dump the efuse for all devices, even the tested ones. Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/d53fcf97-d6d2-3c75-14d5-97b58a5f3a6c@gmail.com
2023-01-16wifi: rtl8xxxu: Print the ROM version tooBitterblue Smith
Make rtl8xxxu_print_chipinfo() print the ROM version. This is relevant at least for the RTL8723AU and possibly relevant for the RTL8710BU. Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/add46396-95af-1164-2033-7d4eb4d0b554@gmail.com
2023-01-16wifi: rtw88: Use non-atomic sta iterator in rtw_ra_mask_info_update()Martin Blumenstingl
USB and (upcoming) SDIO support may sleep in the read/write handlers. Use non-atomic rtw_iterate_stas() in rtw_ra_mask_info_update() because the iterator function rtw_ra_mask_info_update_iter() needs to read and write registers from within rtw_update_sta_info(). Using the non-atomic iterator ensures that we can sleep during USB and SDIO register reads and writes. This fixes "scheduling while atomic" or "Voluntary context switch within RCU read-side critical section!" warnings as seen by SDIO card users (but it also affects USB cards). Fixes: 78d5bf925f30 ("wifi: rtw88: iterate over vif/sta list non-atomically") Suggested-by: Ping-Ke Shih <pkshih@realtek.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Tested-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230108211324.442823-4-martin.blumenstingl@googlemail.com
2023-01-16wifi: rtw88: Use rtw_iterate_vifs() for rtw_vif_watch_dog_iter()Martin Blumenstingl
USB and (upcoming) SDIO support may sleep in the read/write handlers. Make rtw_watch_dog_work() use rtw_iterate_vifs() to prevent "scheduling while atomic" or "Voluntary context switch within RCU read-side critical section!" warnings when accessing the registers using an SDIO card (which is where this issue has been spotted in the real world but it also affects USB cards). Fixes: 78d5bf925f30 ("wifi: rtw88: iterate over vif/sta list non-atomically") Suggested-by: Ping-Ke Shih <pkshih@realtek.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Tested-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230108211324.442823-3-martin.blumenstingl@googlemail.com
2023-01-16wifi: rtw88: Move register access from rtw_bf_assoc() outside the RCUMartin Blumenstingl
USB and (upcoming) SDIO support may sleep in the read/write handlers. Shrink the RCU critical section so it only cover the call to ieee80211_find_sta() and finding the ic_vht_cap/vht_cap based on the found station. This moves the chip's BFEE configuration outside the rcu_read_lock section and thus prevent "scheduling while atomic" or "Voluntary context switch within RCU read-side critical section!" warnings when accessing the registers using an SDIO card (which is where this issue has been spotted in the real world - but it also affects USB cards). Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Tested-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230108211324.442823-2-martin.blumenstingl@googlemail.com
2023-01-16wifi: rtl8xxxu: Use a longer retry limit of 48Bitterblue Smith
The Realtek rate control algorithm goes back and forth a lot between the highest and the lowest rate it's allowed to use. This is due to a lot of frames being dropped because the retry limits set by IEEE80211_CONF_CHANGE_RETRY_LIMITS are too low. (Experimentally, they are 4 for long frames and 7 for short frames.) The vendor drivers hardcode the value 48 for both retry limits (for station mode), which makes dropped frames very rare and thus the rate control is more stable. Because most Realtek chips handle the rate control in the firmware, which can't be modified, ignore the limits set by IEEE80211_CONF_CHANGE_RETRY_LIMITS and use the value 48 (set during chip initialisation), same as the vendor drivers. Cc: stable@vger.kernel.org Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/477d745b-6bac-111d-403c-487fc19aa30d@gmail.com
2023-01-16wifi: rtl8xxxu: Report the RSSI to the firmwareBitterblue Smith
Or in the case of RTL8188EU, report the RSSI to the rate control code. The rate control code for RTL8188EU is less likely to switch to a lower rate when the RSSI is high. The firmware-based rate control in the other chips probably works the same way. This affects all the chips, but it was only tested with RTL8188EU, RTL8188FU, and RTL8192EU. Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/2aab4f3f-e914-4fe1-f29a-deac91774d05@gmail.com
2023-01-16x86/i8259: Mark legacy PIC interrupts with IRQ_LEVELThomas Gleixner
Baoquan reported that after triggering a crash the subsequent crash-kernel fails to boot about half of the time. It triggers a NULL pointer dereference in the periodic tick code. This happens because the legacy timer interrupt (IRQ0) is resent in software which happens in soft interrupt (tasklet) context. In this context get_irq_regs() returns NULL which leads to the NULL pointer dereference. The reason for the resend is a spurious APIC interrupt on the IRQ0 vector which is captured and leads to a resend when the legacy timer interrupt is enabled. This is wrong because the legacy PIC interrupts are level triggered and therefore should never be resent in software, but nothing ever sets the IRQ_LEVEL flag on those interrupts, so the core code does not know about their trigger type. Ensure that IRQ_LEVEL is set when the legacy PCI interrupts are set up. Fixes: a4633adcdbc1 ("[PATCH] genirq: add genirq sw IRQ-retrigger") Reported-by: Baoquan He <bhe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Baoquan He <bhe@redhat.com> Link: https://lore.kernel.org/r/87mt6rjrra.ffs@tglx
2023-01-16wifi: rt2x00: Remove useless else ifJiapeng Chong
The assignment of the else and else if branches is the same, so the else if here is redundant, so we remove it. ./drivers/net/wireless/ralink/rt2x00/rt2800lib.c:8927:9-11: WARNING: possible condition with no effect (if == else). Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3631 Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Acked-by: Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230106022731.111243-1-jiapeng.chong@linux.alibaba.com
2023-01-16wifi: mt7601u: fix an integer underflowJisoo Jang
Fix an integer underflow that leads to a null pointer dereference in 'mt7601u_rx_skb_from_seg()'. The variable 'dma_len' in the URB packet could be manipulated, which could trigger an integer underflow of 'seg_len' in 'mt7601u_rx_process_seg()'. This underflow subsequently causes the 'bad_frame' checks in 'mt7601u_rx_skb_from_seg()' to be bypassed, eventually leading to a dereference of the pointer 'p', which is a null pointer. Ensure that 'dma_len' is greater than 'min_seg_len'. Found by a modified version of syzkaller. KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 12 Comm: ksoftirqd/0 Tainted: G W O 5.14.0+ #139 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 RIP: 0010:skb_add_rx_frag+0x143/0x370 Code: e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 86 01 00 00 4c 8d 7d 08 44 89 68 08 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 cd 01 00 00 48 8b 45 08 a8 01 0f 85 3d 01 00 00 RSP: 0018:ffffc900000cfc90 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888115520dc0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8881118430c0 RDI: ffff8881118430f8 RBP: 0000000000000000 R08: 0000000000000e09 R09: 0000000000000010 R10: ffff888111843017 R11: ffffed1022308602 R12: 0000000000000000 R13: 0000000000000e09 R14: 0000000000000010 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88811a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000004035af40 CR3: 00000001157f2000 CR4: 0000000000750ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: mt7601u_rx_tasklet+0xc73/0x1270 ? mt7601u_submit_rx_buf.isra.0+0x510/0x510 ? tasklet_action_common.isra.0+0x79/0x2f0 tasklet_action_common.isra.0+0x206/0x2f0 __do_softirq+0x1b5/0x880 ? tasklet_unlock+0x30/0x30 run_ksoftirqd+0x26/0x50 smpboot_thread_fn+0x34f/0x7d0 ? smpboot_register_percpu_thread+0x370/0x370 kthread+0x3a1/0x480 ? set_kthread_struct+0x120/0x120 ret_from_fork+0x1f/0x30 Modules linked in: 88XXau(O) 88x2bu(O) ---[ end trace 57f34f93b4da0f9b ]--- RIP: 0010:skb_add_rx_frag+0x143/0x370 Code: e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 86 01 00 00 4c 8d 7d 08 44 89 68 08 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 cd 01 00 00 48 8b 45 08 a8 01 0f 85 3d 01 00 00 RSP: 0018:ffffc900000cfc90 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888115520dc0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8881118430c0 RDI: ffff8881118430f8 RBP: 0000000000000000 R08: 0000000000000e09 R09: 0000000000000010 R10: ffff888111843017 R11: ffffed1022308602 R12: 0000000000000000 R13: 0000000000000e09 R14: 0000000000000010 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88811a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000004035af40 CR3: 00000001157f2000 CR4: 0000000000750ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Signed-off-by: Jisoo Jang <jisoo.jang@yonsei.ac.kr> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20221229092906.2328282-1-jisoo.jang@yonsei.ac.kr
2023-01-16wifi: orinoco: check return value of hermes_write_wordrec()Alexey Kodanev
There is currently no return check for writing an authentication type (HERMES_AUTH_SHARED_KEY or HERMES_AUTH_OPEN). It looks like it was accidentally skipped. This patch adds a return check similar to the other checks in __orinoco_hw_setup_enc() for hermes_write_wordrec(). Detected using the static analysis tool - Svace. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Alexey Kodanev <aleksei.kodanev@bell-sw.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20221227133306.201356-1-aleksei.kodanev@bell-sw.com
2023-01-16wifi: rtlwifi: rtl8723ae: fix obvious spelling error tyep->typeKonstantin Ryabitsev
This appears to be an obvious spelling error, initially identified in a codespell report and never addressed. Reported-by: Jens Schleusener <Jens.Schleusener@fossies.org> Link: https://bugzilla.kernel.org/show_bug.cgi?id=205891 Signed-off-by: Konstantin Ryabitsev <icon@mricon.com> Acked-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20221222-rtl8723ae-typo-fix-v2-1-71b6b67df3f5@mricon.com
2023-01-16wifi: rtl8xxxu: Fix memory leaks with RTL8723BU, RTL8192EUBitterblue Smith
The wifi + bluetooth combo chip RTL8723BU can leak memory (especially?) when it's connected to a bluetooth audio device. The busy bluetooth traffic generates lots of C2H (card to host) messages, which are not freed correctly. To fix this, move the dev_kfree_skb() call in rtl8xxxu_c2hcmd_callback() inside the loop where skb_dequeue() is called. The RTL8192EU leaks memory because the C2H messages are added to the queue and left there forever. (This was fine in the past because it probably wasn't sending any C2H messages until commit e542e66b7c2e ("wifi: rtl8xxxu: gen2: Turn on the rate control"). Since that commit it sends a C2H message when the TX rate changes.) To fix this, delete the check for rf_paths > 1 and the goto. Let the function process the C2H messages from RTL8192EU like the ones from the other chips. Theoretically the RTL8188FU could also leak like RTL8723BU, but it most likely doesn't send C2H messages frequently enough. This change was tested with RTL8723BU by Erhard F. I tested it with RTL8188FU and RTL8192EU. Reported-by: Erhard F. <erhard_f@mailbox.org> Tested-by: Erhard F. <erhard_f@mailbox.org> Link: https://bugzilla.kernel.org/show_bug.cgi?id=215197 Fixes: e542e66b7c2e ("rtl8xxxu: add bluetooth co-existence support for single antenna") Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/03b099c1-c671-d252-36f4-57b70d721f9d@gmail.com
2023-01-16lib/scatterlist: Fix to calculate the last_pg properlyYishai Hadas
The last_pg is wrong, it is actually the first page of the last scatterlist element. To get the last page of the last scatterlist element we have to add prv->length. So it is checking mergability against the wrong page, Further, a SG element is not guaranteed to end on a page boundary, so we have to check the sub page location also for merge eligibility. Fix the above by checking physical contiguity based on PFNs, compute the actual last page and then call pages_are_mergable(). Fixes: 1567b49d1a40 ("lib/scatterlist: add check when merging zone device pages") Link: https://lore.kernel.org/r/20230111101054.188136-1-yishaih@nvidia.com Reported-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Yishai Hadas <yishaih@nvidia.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-01-16kernel/printk/printk.c: Fix W=1 kernel-doc warningAnuradha Weeraman
Fix W=1 kernel-doc warning: kernel/printk/printk.c: - Include function parameter in console_lock_spinning_disable_and_check() Signed-off-by: Anuradha Weeraman <anuradha@debian.org> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20230116125635.374567-1-anuradha@debian.org
2023-01-16pktcdvd: check for NULL returna fter calling bio_split_to_limits()Jens Axboe
The revert of the removal of this driver happened after we fixed up the split limits for NOWAIT issue, hence it got missed. Ensure that we check for a NULL bio after splitting, in case it should be retried. Marking this as fixing both commits, so that stable backport will do this correctly. Cc: stable@vger.kernel.org Fixes: 9cea62b2cbab ("block: don't allow splitting of a REQ_NOWAIT bio") Fixes: 4b83e99ee709 ("Revert "pktcdvd: remove driver."") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-01-16tty: serial: kgdboc: fix mutex locking order for configure_kgdboc()John Ogness
Several mutexes are taken while setting up console serial ports. In particular, the tty_port->mutex and @console_mutex are taken: serial_pnp_probe serial8250_register_8250_port uart_add_one_port (locks tty_port->mutex) uart_configure_port register_console (locks @console_mutex) In order to synchronize kgdb's tty_find_polling_driver() with register_console(), commit 6193bc90849a ("tty: serial: kgdboc: synchronize tty_find_polling_driver() and register_console()") takes the @console_mutex. However, this leads to the following call chain (with locking): platform_probe kgdboc_probe configure_kgdboc (locks @console_mutex) tty_find_polling_driver uart_poll_init (locks tty_port->mutex) uart_set_options This is clearly deadlock potential due to the reverse lock ordering. Since uart_set_options() requires holding @console_mutex in order to serialize early initialization of the serial-console lock, take the @console_mutex in uart_poll_init() instead of configure_kgdboc(). Since configure_kgdboc() was using @console_mutex for safe traversal of the console list, change it to use the SRCU iterator instead. Add comments to uart_set_options() kerneldoc mentioning that it requires holding @console_mutex (aka the console_list_lock). Fixes: 6193bc90849a ("tty: serial: kgdboc: synchronize tty_find_polling_driver() and register_console()") Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Reviewed-by: Petr Mladek <pmladek@suse.com> [pmladek@suse.com: Export console_srcu_read_lock_is_held() to fix build kgdboc as a module.] Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20230112161213.1434854-1-john.ogness@linutronix.de
2023-01-16Revert "wifi: mac80211: fix memory leak in ieee80211_if_add()"Eric Dumazet
This reverts commit 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293. ieee80211_if_free() is already called from free_netdev(ndev) because ndev->priv_destructor == ieee80211_if_free syzbot reported: general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] CPU: 0 PID: 10041 Comm: syz-executor.0 Not tainted 6.2.0-rc2-syzkaller-00388-g55b98837e37d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:pcpu_get_page_chunk mm/percpu.c:262 [inline] RIP: 0010:pcpu_chunk_addr_search mm/percpu.c:1619 [inline] RIP: 0010:free_percpu mm/percpu.c:2271 [inline] RIP: 0010:free_percpu+0x186/0x10f0 mm/percpu.c:2254 Code: 80 3c 02 00 0f 85 f5 0e 00 00 48 8b 3b 48 01 ef e8 cf b3 0b 00 48 ba 00 00 00 00 00 fc ff df 48 8d 78 20 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 3b 0e 00 00 48 8b 58 20 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc90004ba7068 EFLAGS: 00010002 RAX: 0000000000000000 RBX: ffff88823ffe2b80 RCX: 0000000000000004 RDX: dffffc0000000000 RSI: ffffffff81c1f4e7 RDI: 0000000000000020 RBP: ffffe8fffe8fc220 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 1ffffffff2179ab2 R12: ffff8880b983d000 R13: 0000000000000003 R14: 0000607f450fc220 R15: ffff88823ffe2988 FS: 00007fcb349de700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32220000 CR3: 000000004914f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> netdev_run_todo+0x6bf/0x1100 net/core/dev.c:10352 ieee80211_register_hw+0x2663/0x4040 net/mac80211/main.c:1411 mac80211_hwsim_new_radio+0x2537/0x4d80 drivers/net/wireless/mac80211_hwsim.c:4583 hwsim_new_radio_nl+0xa09/0x10f0 drivers/net/wireless/mac80211_hwsim.c:5176 genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:968 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2564 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2476 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2530 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2559 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Reported-by: syzbot <syzkaller@googlegroups.com> Fixes: 13e5afd3d773 ("wifi: mac80211: fix memory leak in ieee80211_if_add()") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Zhengchao Shao <shaozhengchao@huawei.com> Cc: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113124326.3533978-1-edumazet@google.com
2023-01-16wifi: mt76: dma: fix a regression in adding rx buffersFelix Fietkau
When adding WED support, mt76_dma_add_buf was accidentally changed to set the skip_buf0 flag for tx buffers on the wrong queue descriptor entry. Additionally, there is a rxwi leak when rx buffer allocation fails. Fix this and make the code more readable by adding a separate function for adding rx buffers. Reported-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com> Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com> Link: https://lore.kernel.org/r/CABXGCsMEnQd=gYKTd1knRsWuxCb=Etv5nAre%2BXJS_s5FgVteYA@mail.gmail.com/ Reported-by: Mike Lothian <mike@fireburn.co.uk> Link: https://bugzilla.kernel.org/show_bug.cgi?id=216829 Reported-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/lkml/20230112171706.294550-1-angelogioacchino.delregno@collabora.com/ Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf") Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113105848.34642-3-nbd@nbd.name
2023-01-16wifi: mt76: handle possible mt76_rx_token_consume failuresLorenzo Bianconi
Take into account possible error conditions of mt76_rx_token_consume routine in mt7915_mmio_wed_init_rx_buf() and mt76_dma_add_buf() Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf") Fixes: 4f831d18d12d ("wifi: mt76: mt7915: enable WED RX support") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> (cherry picked from commit 96f134dc19645be4994e89a2f68fa89309becbee) Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113105848.34642-2-nbd@nbd.name
2023-01-16wifi: mt76: dma: do not increment queue head if mt76_dma_add_buf failsLorenzo Bianconi
Do not increment queue head if mt76_dma_add_buf fails for Wireless Ethernet Dispatcher rx queues. Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> (cherry picked from commit fe13dad8992be0b26c1be390bcd111acf9892c17) Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113105848.34642-1-nbd@nbd.name
2023-01-16erofs: clean up parsing of fscache related optionsJingbo Xu
... to avoid the mess of conditional preprocessing as we are continually adding fscache related mount options. Reviewd-by: Gao Xiang <hsiangkao@linux.alibaba.com> Reviewed-by: Yue Hu <huyue2@coolpad.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com> Link: https://lore.kernel.org/r/20230112065431.124926-3-jefflexu@linux.alibaba.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2023-01-16erofs: add documentation for 'domain_id' mount optionJingbo Xu
Since the EROFS share domain feature for fscache mode has been available since Linux v6.1, let's add documentation for 'domain_id' mount option. Cc: linux-doc@vger.kernel.org Reviewed-by: Jia Zhu <zhujia.zj@bytedance.com> Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> Reviewed-by: Chao Yu <chao@kernel.org> Link: https://lore.kernel.org/r/20230112065431.124926-2-jefflexu@linux.alibaba.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2023-01-16arm64: efi: Account for the EFI runtime stack in stack unwinderArd Biesheuvel
The EFI runtime services run from a dedicated stack now, and so the stack unwinder needs to be informed about this. Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2023-01-16arm64: efi: Avoid workqueue to check whether EFI runtime is liveArd Biesheuvel
Comparing current_work() against efi_rts_work.work is sufficient to decide whether current is currently running EFI runtime services code at any level in its call stack. However, there are other potential users of the EFI runtime stack, such as the ACPI subsystem, which may invoke efi_call_virt_pointer() directly, and so any sync exceptions occurring in firmware during those calls are currently misidentified. So instead, let's check whether the stashed value of the thread stack pointer points into current's thread stack. This can only be the case if current was interrupted while running EFI runtime code. Note that this implies that we should clear the stashed value after switching back, to avoid false positives. Reviewed-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2023-01-16octeontx2-pf: Avoid use of GFP_KERNEL in atomic contextGeetha sowjanya
Using GFP_KERNEL in preemption disable context, causing below warning when CONFIG_DEBUG_ATOMIC_SLEEP is enabled. [ 32.542271] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 [ 32.550883] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 [ 32.558707] preempt_count: 1, expected: 0 [ 32.562710] RCU nest depth: 0, expected: 0 [ 32.566800] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G W 6.2.0-rc2-00269-gae9dcb91c606 #7 [ 32.576188] Hardware name: Marvell CN106XX board (DT) [ 32.581232] Call trace: [ 32.583670] dump_backtrace.part.0+0xe0/0xf0 [ 32.587937] show_stack+0x18/0x30 [ 32.591245] dump_stack_lvl+0x68/0x84 [ 32.594900] dump_stack+0x18/0x34 [ 32.598206] __might_resched+0x12c/0x160 [ 32.602122] __might_sleep+0x48/0xa0 [ 32.605689] __kmem_cache_alloc_node+0x2b8/0x2e0 [ 32.610301] __kmalloc+0x58/0x190 [ 32.613610] otx2_sq_aura_pool_init+0x1a8/0x314 [ 32.618134] otx2_open+0x1d4/0x9d0 To avoid use of GFP_ATOMIC for memory allocation, disable preemption after all memory allocation is done. Fixes: 4af1b64f80fb ("octeontx2-pf: Fix lmtst ID used in aura free") Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16Merge branch 'net-microchip-vcap-rules'David S. Miller
Steen Hegelund says: ==================== net: microchip: Add support for two classes of VCAP rules This adds support for two classes of VCAP rules: - Permanent rules (added e.g. for PTP support) - TC user rules (added by the TC userspace tool) For this to work the VCAP Loopups must be enabled from boot, so that the "internal" clients like PTP can add rules that are always active. When the TC tool add a flower filter the VCAP rule corresponding to this filter will be disabled (kept in memory) until a TC matchall filter creates a link from chain 0 to the chain (lookup) where the flower filter was added. When the flower filter is enabled it will be written to the appropriate VCAP lookup and become active in HW. Likewise the flower filter will be disabled if there is no link from chain 0 to the chain of the filter (lookup), and when that happens the corresponding VCAP rule will be read from the VCAP instance and stored in memory until it is deleted or enabled again. Version History: ================ v4 Removed a leftover 'Fixes' tag from v2. No functional changes. v3 Removed the change that allowed rules to always be added in the LAN996x even though the lookups are not enabled (Horatiu Vultur). This was sent separately to net instead. Removed the 'Fixes' tags due to the patch sent to net by Horatiu Vultur. Added a check for validity of the chain source when enabling a lookup. v2 Adding a missing goto exit in vcap_add_rule (Dan Carpenter). Added missing checks for error returns in vcap_enable_rule. v1 Initial version ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16net: microchip: vcap api: Enable/Disable rules via chains in VCAP HWSteen Hegelund
This supports that individual rules are enabled and disabled via chain information. This is done by keeping disabled rules in the VCAP list (cached) until they are enabled, and only at this time are the rules written to the VCAP HW. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16net: microchip: vcap api: Add a storage state to a VCAP ruleSteen Hegelund
This allows a VCAP rule to be in one of 3 states: - permanently stored in the VCAP HW (for rules that must always be present) - enabled (stored in HW) when the corresponding lookup has been enabled - disabled (stored in SW) when the lookup is disabled This way important VCAP rules can be added even before the user enables the VCAP lookups using a TC matchall filter. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16net: microchip: vcap api: Check chains when adding a tc flower filterSteen Hegelund
This changes the way the chain information verified when adding a new tc flower filter. When adding a flower filter it is now checked that the filter contains a goto action to one of the IS2 VCAP lookups, except for the last lookup which may omit this goto action. It is also checked if you attempt to add multiple matchall filters to enable the same VCAP lookup. This will be rejected. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16net: microchip: vcap api: Use src and dst chain id to chain VCAP lookupsSteen Hegelund
This adds both the source and destination chain id to the information kept for enabled port lookups. This allows enabling and disabling a chain of lookups by walking the chain information for a port. This changes the way that VCAP lookups are enabled from userspace: instead of one matchall rule that enables all the 4 Sparx5 IS2 lookups, you need a matchall rule per lookup. In practice that is done by adding one matchall rule in chain 0 to goto IS2 Lookup 0, and then for each lookup you add a rule per lookup (low priority) that does a goto to the next lookup chain. Examples: If you want IS2 Lookup 0 to be enabled you add the same matchall filter as before: tc filter add dev eth12 ingress chain 0 prio 1000 handle 1000 matchall \ skip_sw action goto chain 8000000 If you also want to enable lookup 1 to 3 in IS2 and chain them you need to add the following matchall filters: tc filter add dev eth12 ingress chain 8000000 prio 1000 handle 1000 \ matchall skip_sw action goto chain 8100000 tc filter add dev eth12 ingress chain 8100000 prio 1000 handle 1000 \ matchall skip_sw action goto chain 8200000 tc filter add dev eth12 ingress chain 8200000 prio 1000 handle 1000 \ matchall skip_sw action goto chain 8300000 Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16net: microchip: vcap api: Convert multi-word keys/actions when encodingSteen Hegelund
The conversion to the platform specific multi-word format is moved from the key/action add functions to the encoding key/action. This allows rules that are disabled (not in VCAP HW) to use the same format for keys/actions as rules that have just been read from VCAP HW. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16net: microchip: vcap api: Always enable VCAP lookupsSteen Hegelund
This changes the VCAP lookups state to always be enabled so that it is possible to add "internal" VCAP rules that must be available even though the user has not yet enabled the VCAP chains via a TC matchall filter. The API callback to enable and disable VCAP lookups is therefore removed. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16net: microchip: sparx5: Reset VCAP counter for new rulesSteen Hegelund
When a rule counter is external to the VCAP such as the Sparx5 IS2 counters are, then this counter must be reset when a new rule is created. Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16net: microchip: vcap api: Erase VCAP cache before encoding ruleSteen Hegelund
For consistency the VCAP cache area is erased just before the new rule is being encoded. Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16Merge branch 'l2tp-races'David S. Miller
Cong Wang says: ==================== l2tp: fix race conditions in l2tp_tunnel_register() This patchset contains two patches, the first one is a preparation for the second one which is the actual fix. Please find more details in each patch description. I have ran the l2tp test (https://github.com/katalix/l2tp-ktest), all test cases are passed. v3: preserve EEXIST errno for user-space v2: move IDR allocation to l2tp_tunnel_register() ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16l2tp: close all race conditions in l2tp_tunnel_register()Cong Wang
The code in l2tp_tunnel_register() is racy in several ways: 1. It modifies the tunnel socket _after_ publishing it. 2. It calls setup_udp_tunnel_sock() on an existing socket without locking. 3. It changes sock lock class on fly, which triggers many syzbot reports. This patch amends all of them by moving socket initialization code before publishing and under sock lock. As suggested by Jakub, the l2tp lockdep class is not necessary as we can just switch to bh_lock_sock_nested(). Fixes: 37159ef2c1ae ("l2tp: fix a lockdep splat") Fixes: 6b9f34239b00 ("l2tp: fix races in tunnel creation") Reported-by: syzbot+52866e24647f9a23403f@syzkaller.appspotmail.com Reported-by: syzbot+94cc2a66fc228b23f360@syzkaller.appspotmail.com Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Guillaume Nault <gnault@redhat.com> Cc: Jakub Sitnicki <jakub@cloudflare.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Tom Parkin <tparkin@katalix.com> Signed-off-by: Cong Wang <cong.wang@bytedance.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16l2tp: convert l2tp_tunnel_list to idrCong Wang
l2tp uses l2tp_tunnel_list to track all registered tunnels and to allocate tunnel ID's. IDR can do the same job. More importantly, with IDR we can hold the ID before a successful registration so that we don't need to worry about late error handling, it is not easy to rollback socket changes. This is a preparation for the following fix. Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Guillaume Nault <gnault@redhat.com> Cc: Jakub Sitnicki <jakub@cloudflare.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Tom Parkin <tparkin@katalix.com> Signed-off-by: Cong Wang <cong.wang@bytedance.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16r8169: reset bus if NIC isn't accessible after tx timeoutHeiner Kallweit
ASPM issues may result in the NIC not being accessible any longer. In this case disabling ASPM may not work. Therefore detect this case by checking whether register reads return ~0, and try to make the NIC accessible again by resetting the secondary bus. v2: - add exception handling for the case that pci_reset_bus() fails Suggested-by: Alexander Duyck <alexander.duyck@gmail.com> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Alexander Duyck <alexanderduyck@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-16wifi: rtw89: 8852b: fill the missing configuration about queue empty checkingZong-Zhe Yang
The configurations, wde_qempty_acq_num and wde_qempty_mgq_sel, are used when MAC checks if TX queues are empty. Fill the corresponding setting for 8852B. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113090632.60957-5-pkshih@realtek.com
2023-01-16wifi: rtw89: fix assignation of TX BD RAM tableZong-Zhe Yang
TX BD's RAM table describes how HW allocates usable buffer section for each TX channel at fetch time. The total RAM size for TX BD is chip-dependent. For 8852BE, it has only half size (32) for TX channels of single band. Original table arrange total size (64) for dual band. It will overflow on 8852BE circuit and cause section conflicts between different TX channels. So, we do the changes below. * add another table for single band chip and export both kind of tables * point to the expected one in rtw89_pci_info by chip Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113090632.60957-4-pkshih@realtek.com
2023-01-16wifi: rtw89: 8852c: rfk: correct ADC clock settingsChih-Kang Chang
Some hardware modules don't have good RF characteristic as regular. It could get ADC abnormal in low temperature, and it causes bad RX performance and affects calibration result of DPK. Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113090632.60957-3-pkshih@realtek.com
2023-01-16wifi: rtw89: correct register definitions of digital CFO and spur eliminationEric Huang
This change fixes the precision of CFO and TX EVM, and it could imporve performance in some cases. Also, use the correctted definition for 8852A. Signed-off-by: Eric Huang <echuang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113090632.60957-2-pkshih@realtek.com
2023-01-16wifi: rtw89: set the correct mac_id for management framesKuan-Chung Chen
The mac_id of management frames should follow rtwvif->mac_id or rtwsta->mac_id. Add this patch to set the correct mac_id and prevent unexpected behavior. Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230106121517.19841-2-pkshih@realtek.com
generated by cgit (git 2.34.1) at 2025-09-18 19:44:15 +0000