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2018-03-13workqueue: use put_device() instead of kfree()Arvind Yadav
Never directly free @dev after calling device_register(), even if it returned an error! Always use put_device() to give up the reference initialized in this function instead. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2018-03-13dm mpath: eliminate need to use scsi_device_from_queueMike Snitzer
Instead of scsi_device_from_queue(), use scsi_dh_attached_handler_name() -- whose implementation uses scsi_device_from_queue() to avoid trying to access SCSI-specific resources from non-SCSI devices. Fixes buildbot reported issue when CONFIG_SCSI isn't set: ERROR: "scsi_device_from_queue" [drivers/md/dm-multipath.ko] undefined! Fixes: 8d47e65948dd ("dm mpath: remove unnecessary NVMe branching in favor of scsi_dh checks") Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2018-03-13dm mpath: fix uninitialized 'pg_init_wait' waitqueue_head NULL pointerMike Snitzer
Initialize all the scsi_dh related 'struct multipath' members regardless of whether a scsi_dh is in use or not. The subtle (and fragile) SCSI-assuming legacy code clearly needs further decoupling from non-SCSI (and/or developer understanding). Fixes: 8d47e65948dd ("dm mpath: remove unnecessary NVMe branching in favor of scsi_dh checks") Reported-by: Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2018-03-13net: fix sysctl_fb_tunnels_only_for_init_net link errorArnd Bergmann
The new variable is only available when CONFIG_SYSCTL is enabled, otherwise we get a link error: net/ipv4/ip_tunnel.o: In function `ip_tunnel_init_net': ip_tunnel.c:(.text+0x278b): undefined reference to `sysctl_fb_tunnels_only_for_init_net' net/ipv6/sit.o: In function `sit_init_net': sit.c:(.init.text+0x4c): undefined reference to `sysctl_fb_tunnels_only_for_init_net' net/ipv6/ip6_tunnel.o: In function `ip6_tnl_init_net': ip6_tunnel.c:(.init.text+0x39): undefined reference to `sysctl_fb_tunnels_only_for_init_net' This adds an extra condition, keeping the traditional behavior when CONFIG_SYSCTL is disabled. Fixes: 79134e6ce2c9 ("net: do not create fallback tunnels for non-default namespaces") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13auxdisplay: img-ascii-lcd: Silence 2 uninitialized warningsMiguel Ojeda
The warnings are: drivers/auxdisplay/img-ascii-lcd.c: warning: 'err' may be used uninitialized in this function [-Wuninitialized] At lines 109 and 207. Reported by Geert using the build service several times, e.g.: https://lkml.org/lkml/2018/2/19/303 They are two false positives, since num_chars > 0 in the three present configurations (boston, malta, sead3). Initialize to 0 in order to silence the warning. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Paul Burton <paul.burton@mips.com> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
2018-03-13auxdisplay: img-ascii-lcd: Fix doc comment to silence warningsMiguel Ojeda
Compiling with W=1 with gcc 7.2.0 gives 2 warnings: drivers/auxdisplay/img-ascii-lcd.c:233: warning: Function parameter or member 't' not described in 'img_ascii_lcd_scroll' drivers/auxdisplay/img-ascii-lcd.c:233: warning: Excess function parameter 'arg' description in 'img_ascii_lcd_scroll' Cc: Paul Burton <paul.burton@mips.com> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
2018-03-13auxdisplay: panel: Change comments to silence fallthrough warningsMiguel Ojeda
Compiling with W=1 with gcc 7.2.0 gives 3 warnings like: drivers/auxdisplay/panel.c: In function ‘panel_process_inputs’: drivers/auxdisplay/panel.c:1374:17: warning: this statement may fall through [-Wimplicit-fallthrough=] Cc: Willy Tarreau <w@1wt.eu> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
2018-03-13mwifiex: get_channel from firmwareGanapathi Bhat
At present driver gets chan_type by referring to IEEE80211_HT_PARAM_CHA_SEC_OFFSET, in ASSOC response. Sometimes AP shows IEEE80211_HT_PARAM_CHA_SEC_OFFSET as above/below in assoc response, even if the association is done on HT20 channel only. So, it will be accurate to get econdary channel offset from firmware. Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mwifiex: fix incorrect ht capability problemGanapathi Bhat
IEEE80211_CHAN_NO_HT40PLUS and IEEE80211_CHAN_NO_HT40PLUS channel flags tell if HT40 operation is allowed on a channel or not. This patch ensures ht_capability information is modified accordingly so that we don't end up creating a HT40 connection when it's not allowed for current regulatory domain. Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13Revert "mwifiex: fix incorrect ht capability problem"Ganapathi Bhat
This reverts commit bcc920e8f08336cbbdcdba7c4449c27137e6b4b9. Drivers gets hardware info and updates ht_cap field of wiphy->bands during initialization. Once updated during init, ht_cap must not be modified as it reflects the capability supported by hardwawre. Above patch tries to modify the ht_cap field and this results in wrongly advertising capabilities during association. Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mwifiex: correct antenna number with high bits reservedXinming Hu
High bits of antenna number are reserved in hardware spec, using low 4 bits represent supported antenna. Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13net/wireless: fix spaces and grammar copy/paste in vendor Kconfig help textRandy Dunlap
Lots of the wireless driver vendor Kconfig symol help text says "questions about cards." (2 spaces between "about" and "cards") Besides dropping one of those spaces, it also needs some other word inserted there. Instead of putting each vendor's name there, I chose to say "these" cards in all of the Kconfig help text. Cc: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13ssb: use put_device() if device_register failArvind Yadav
Never directly free @dev after calling device_register(), even if it returned an error! Always use put_device() to give up the reference initialized. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13bcma: Prevent build of PCI host features in moduleMatt Redfearn
Attempting to build bcma.ko with BCMA_DRIVER_PCI_HOSTMODE=y results in a build error due to use of symbols not exported from vmlinux: ERROR: "pcibios_enable_device" [drivers/bcma/bcma.ko] undefined! ERROR: "register_pci_controller" [drivers/bcma/bcma.ko] undefined! make[1]: *** [scripts/Makefile.modpost:92: __modpost] Error 1 To prevent this, don't allow the host mode feature to be built if CONFIG_BCMA=m Signed-off-by: Matt Redfearn <matt.redfearn@mips.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: improve RX packet handling in USB interfacePrameela Rani Garnepudi
Curretly, RX packet processing is done sequencially. To improve the efficiency, RX skb queue is introduced. Here, while preparing RX URB skb is allocated and used for RX buffer. When rx done handler is called, enqueue the skb to rx_q and set the thread event. RX thread is modified to dequeue packets from skb queue and process further. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: use dynamic RX control blocks instead of MAX_RX_URBPrameela Rani Garnepudi
Currently 2 RX control blocks are allocated by default. If wifi alone mode is used rx control block 2 is unusable. So, changes are done accordingly in all places to use RX control blocks dynamically based on coex mode check. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: improve RX handling in SDIO interfacePrameela Rani Garnepudi
Currently, RX packets are handled in interrupt context in SDIO interface. To improve the efficiency of processing RX packets, RX thread and RX skb queues are introduced. When the packet is read from device, driver prepares skb, add to RX queue and trigger RX thread event. RX thread processes the packets from RX queue. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: sdio changes to support BTPrameela Rani Garnepudi
Queue number is correctly updated for BT traffic. Also, kzalloc instead of kmalloc is used for Rx packet allocation. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: add module parameter operating modePrameela Rani Garnepudi
Operating mode determines the support for other protocols. This is made as module parameter for better usage. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: handle BT traffic in driverSiva Rebbagondla
BT frames are passed through coex and hal modules to BUS. After firmware is loaded, based on the operating mode CARD READY frame comes for each protocol. When BT card ready is received, BT attach is called. Protocol operations are exchanged between the modules at initialization time. Build flag CONFIG_RSI_COEX is introduced to enable coex support if CONFIG_BT_RSIHCI is enabled. Coex operations are valid if coex mode is greater than 1 only. Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13Bluetooth: btrsi: add new rsi bluetooth driverPrameela Rani Garnepudi
Redpine bluetooth driver is a thin driver which depends on 'rsi_91x' driver for transmitting and receiving packets to/from device. It creates hci interface when attach() is called from 'rsi_91x' module. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Reviewed-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: add coex supportPrameela Rani Garnepudi
With BT support, driver has to handle two streams of data (i.e. wlan and BT). Actual coex implementation is in firmware. Coex module just schedule the packets to firmware by taking them from the corresponding paths. Structures for module and protocol operations are introduced for this purpose. Protocol operations structure is global structure which can be shared among different modules. Move initialization of coex and operating mode values to rsi_91x_init(). Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: add header file rsi_91xPrameela Rani Garnepudi
The common parameters used by wlan and bt modules are add to a new header file "rsi_91x.h" defined in 'include/net' Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: add bluetooth rx endpointSiva Rebbagondla
USB endpoint 1 is used for WLAN which is presently in use. USB endpoint 2 is introduced for BT Rx traffic. Enumeration of Rx BT endpoint and submitting Rx BT URB are added. >From /sys/kernel/debug/usb/devices, Ad=81(I) is for WLAN EP IN and Ad=01(O) is for Wlan EP OUT. Ad=82(I) is for BT EP IN and Ad=02(O) is for BT EP OUT. T: Bus=01 Lev=01 Prnt=01 Port=09 Cnt=03 Dev#= 4 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1618 ProdID=9113 Rev= 0.02 S: Manufacturer=Redpine Signals, Inc. S: Product=Wireless USB Network Module S: SerialNumber=000000000001 C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA I:* If#= 0 Alt= 0 #EPs= 6 Cls=00(>ifc ) Sub=00 Prot=00 Driver=(none) E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: add rx control block to handle rx packets in USBPrameela Rani Garnepudi
Rx bluetooth endpoint shall be added in further patches. Rx control block is introduced here to handle Rx packets properly. Separate function is written to initialize the RX control blocks. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mt7601u: let mac80211 validate rx CCMP PNLorenzo Bianconi
Apparently the hardware does not perform CCMP PN validation so let mac80211 take care of possible replay attacks in sw. Moreover indicate ICV and MIC had been stripped setting corresponding bits in ieee80211_rx_status. The fix has been validated using 4.2.1 and 4.1.3 tests from the WiFi Alliance vulnerability detection tool. Fixes: c869f77d6abb ("add mt7601u driver") Acked-by: Jakub Kicinski <kubakici@wp.pl> Tested-by: David Park <david.park@hitemengineering.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mt7601u: simplify mt7601u_mcu_msg_alloc signatureLorenzo Bianconi
Remove mt7601u_dev parameter from mt7601u_mcu_msg_alloc signature since dev pointer is never used in routine body Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Acked-by: Jakub Kicinski <kubakici@wp.pl> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mt76x2: remove unnecessary len variable in mt76x2_eeprom_load()Lorenzo Bianconi
Substitute unnecessary len variable in mt76x2_eeprom_load() with MT7662_EEPROM_SIZE macro since len is used just to store eeprom default size. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mt7601u: remove a warning in mt7601u_efuse_physical_size_check()Lorenzo Bianconi
Fix the following sparse warning in mt7601u_efuse_physical_size_check: - drivers/net/wireless/mediatek/mt7601u/eeprom.c:77:27: warning: Variable length array is used Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Acked-by: Jakub Kicinski <kubakici@wp.pl> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mt76x2: add mac80211 {set,get}_antenna callbacksLorenzo Bianconi
Add capability to select tx/rx antennas. Possible values are: - 1: to use only the first antenna - 2: to use only the second antenna - 3: to use both of them Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mt76: add mt76_init_stream_cap routineLorenzo Bianconi
Add mt76_init_stream_cap utility routine to set ht/vht sta capabilities related to number of streams currently used by the device (it will be used by mac80211 set_antenna callback) Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mt76: initialize available_antennas_{tx,rx} infoLorenzo Bianconi
Initialize available_antennas related info in wiphy data structure according to antenna_mask field; antenna_mask info is initialized in device specific code and will be used in mac80211 {set,get}_antenna callbacks Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13usb: musb: Fix external abort in musb_remove on omap2430Merlijn Wajer
This fixes an oops on unbind / module unload (on the musb omap2430 platform). musb_remove function now calls musb_platform_exit before disabling runtime pm. Signed-off-by: Merlijn Wajer <merlijn@wizzup.org> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-13net: Add comment about pernet_operations methods and synchronizationKirill Tkhai
Make locking scheme be visible for users, and provide a comment what for we are need exit_batch() methods, and when it should be used. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13cxgb4: Add HMA supportArjun Vynipadath
HMA(Host Memory Access) maps a part of host memory for T6-SO memfree cards. This commit does the following: - Query FW to check if we have HMA support. If yes, the params will return HMA size configured in FW. We will dma map memory based on this size. - Also contains changes to get HMA memory information via debugfs. Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Santosh Rastapur <santosh@chelsio.com> Signed-off-by: Michael Werner <werner@chelsio.com> Signed-off-by: Ganesh GR <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13Merge branch 'pernet-convert-part6'David S. Miller
Kirill Tkhai says: ==================== Converting pernet_operations (part #6) this series continues to review and to convert pernet_operations to make them possible to be executed in parallel for several net namespaces in the same time. There are sctp, tipc and rds in this series. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13net: Convert rds_tcp_net_opsKirill Tkhai
These pernet_operations create and destroy sysctl table and listen socket. Also, exit method flushes global workqueue and work. Everything looks per-net safe, so we can mark them async. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13net: Convert tipc_net_opsKirill Tkhai
TIPC looks concentrated in itself, and other pernet_operations seem not touching its entities. tipc_net_ops look pernet-divided, and they should be safe to be executed in parallel for several net the same time. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13net: Convert sctp_ctrlsock_opsKirill Tkhai
These pernet_operations create and destroy net::sctp::ctl_sock. Since pernet_operations do not send sctp packets each other, they look safe to be marked as async. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13net: Convert sctp_defaults_opsKirill Tkhai
These pernet_operations have a deal with sysctl, /proc entries and statistics. Also, there are freeing of net::sctp::addr_waitq queue and net::sctp::local_addr_list in exit method. All of them look pernet-divided, and it seems these items are only interesting for sctp_defaults_ops, which are safe to be executed in parallel. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13qed: Use after free in qed_rdma_free()Dan Carpenter
We're dereferencing "p_hwfn->p_rdma_info" but that is freed on the line before in qed_rdma_resc_free(p_hwfn). Fixes: 9de506a547c0 ("qed: Free RoCE ILT Memory on rmmod qedr") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13sctp: fix error return code in sctp_sendmsg_new_asoc()Wei Yongjun
Return error code -EINVAL in the address len check error handling case since 'err' can be overwrite to 0 by 'err = sctp_verify_addr()' in the for loop. Fixes: 2c0dbaa0c43d ("sctp: add support for SCTP_DSTADDRV4/6 Information for sendmsg") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Reviewed-by: Xin Long <lucien.xin@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec Steffen Klassert says: ==================== pull request (net): ipsec 2018-03-13 1) Refuse to insert 32 bit userspace socket policies on 64 bit systems like we do it for standard policies. We don't have a compat layer, so inserting socket policies from 32 bit userspace will lead to a broken configuration. 2) Make the policy hold queue work without the flowcache. Dummy bundles are not chached anymore, so we need to generate a new one on each lookup as long as the SAs are not yet in place. 3) Fix the validation of the esn replay attribute. The The sanity check in verify_replay() is bypassed if the XFRM_STATE_ESN flag is not set. Fix this by doing the sanity check uncoditionally. From Florian Westphal. 4) After most of the dst_entry garbage collection code is removed, we may leak xfrm_dst entries as they are neither cached nor tracked somewhere. Fix this by reusing the 'uncached_list' to track xfrm_dst entries too. From Xin Long. 5) Fix a rcu_read_lock/rcu_read_unlock imbalance in xfrm_get_tos() From Xin Long. 6) Fix an infinite loop in xfrm_get_dst_nexthop. On transport mode we fetch the child dst_entry after we continue, so this pointer is never updated. Fix this by fetching it before we continue. 7) Fix ESN sequence number gap after IPsec GSO packets. We accidentally increment the sequence number counter on the xfrm_state by one packet too much in the ESN case. Fix this by setting the sequence number to the correct value. 8) Reset the ethernet protocol after decapsulation only if a mac header was set. Otherwise it breaks configurations with TUN devices. From Yossi Kuperman. 9) Fix __this_cpu_read() usage in preemptible code. Use this_cpu_read() instead in ipcomp_alloc_tfms(). From Greg Hackmann. Please pull or let me know if there are problems. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13efi/libstub/tpm: Initialize pointer variables to zero for mixed modeArd Biesheuvel
As reported by Jeremy Cline, running the new TPM libstub code in mixed mode (i.e., 64-bit kernel on 32-bit UEFI) results in hangs when invoking the TCG2 protocol, or when accessing the log_tbl pool allocation. The reason turns out to be that in both cases, the 64-bit pointer variables are not fully initialized by the 32-bit EFI code, and so we should take care to zero initialize these variables beforehand, or we'll end up dereferencing bogus pointers. Reported-by: Jeremy Cline <jeremy@jcline.org> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: hdegoede@redhat.com Cc: jarkko.sakkinen@linux.intel.com Cc: javierm@redhat.com Cc: linux-efi@vger.kernel.org Cc: tweek@google.com Link: http://lkml.kernel.org/r/20180313140922.17266-2-ard.biesheuvel@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-13ibmvnic: Fix recent errata commitThomas Falcon
Sorry, one of the patches I sent in an earlier series has some dumb mistakes. One was that I had changed the parameter for the errata workaround function but forgot to make that change in the code that called it. The second mistake was a forgotten return value at the end of the function in case the workaround was not needed. Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13Merge branch 'ibmvnic-Fix-VLAN-and-other-device-errata'David S. Miller
Thomas Falcon says: ==================== ibmvnic: Fix VLAN and other device errata This patch series contains fixes for VLAN and other backing hardware errata. The VLAN fixes are mostly to account for the additional four bytes VLAN header in TX descriptors and buffers, when applicable. The other fixes for device errata are to pad small packets to avoid a possible connection error that can occur when some devices attempt to transmit small packets. The other fixes are GSO related. Some devices cannot handle a smaller MSS or a packet with a single segment, so disable GSO in those cases. v2: Fix style mistake (unneeded brackets) in patch 3/4 ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13ibmvnic: Handle TSO backing device errataThomas Falcon
TSO packets with one segment or with an MSS less than 224 can cause errors on some backing devices, so disable GSO in those cases. Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13ibmvnic: Pad small packets to minimum MTU sizeThomas Falcon
Some backing devices cannot handle small packets well, so pad any small packets to avoid that. It was recommended that the VNIC driver should not send packets smaller than the minimum MTU value provided by firmware, so pad small packets to be at least that long. Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13ibmvnic: Account for VLAN header length in TX buffersThomas Falcon
The extra four bytes of a VLAN packet was throwing off TX buffer entry values used by the driver. Account for those bytes when in buffer size and buffer entry calculations Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13ibmvnic: Account for VLAN tag in L2 Header descriptorThomas Falcon
If a VLAN tag is present in the Ethernet header, account for that when providing the L2 header to firmware. Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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