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2011-09-13ath9k: fix checks for first subframe delimiter paddingFelix Fietkau
The commit "ath9k_hw: Fix exceed transmission burst-time of 5GHz" added a padding of 60 delimiters on the first subframe to work around an issue on AR9380, but it lacked the checks to prevent it from being applied to pre-AR9380, enterprise AR9380 or AR9580+ Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13mwl8k: Set hardware flag IEEE80211_HW_AP_LINK_PSYogesh Ashok Powar
This will avoid mac80211 to trigger PS mode for connected station based on the PM bit of incoming frames. AP firmware is capable of handling such frames and buffering TX frames destined to the stations that are in PS mode. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13ath9k_hw: fix the last register write for ar5416 addacFelix Fietkau
The previous register used in these initvals was probably accidentally copied over from the AR9100 values. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13ath9k_hw: drop an unused column in AR5008-AR9002 initvalsFelix Fietkau
It was used for the defunct 'turbo' mode which was never implemented in the driver. Saves ~7.5k uncompressed Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13cfg80211/nl80211: Indicate roaming feature capability to userspace.Vivek Natarajan
When the rssi of the current AP drops, both wpa_supplicant and the firmware may do a background scan to find a better AP and try to associate. Since firmware based roaming is faster, inform wpa_supplicant to avoid roaming and let the firmware decide to roam if necessary. For fullmac drivers like ath6kl, it is just enough to provide the ESSID and the firmware will decide on the BSSID. Since it is not possible to do pre-auth during roaming for fullmac drivers, the wpa_supplicant needs to completely disconnect with the old AP and reconnect with the new AP. This consumes lot of time and it is better to leave the roaming decision to the firmware. Signed-off-by: Vivek Natarajan <nataraja@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13mac80211: retry sending failed BAR frames later instead of tearing down aggrFelix Fietkau
Unfortunately failed BAR tx attempts happen more frequently than I expected, and the resulting aggregation teardowns cause performance issues, as the aggregation session does not always get re-established properly. Instead of tearing down the entire aggr session, we can simply store the SSN of the last failed BAR tx attempt, wait for the first successful tx status event, and then send another BAR with the same SSN. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13b43: LCN-PHY: implement saving and restoring PHY & radio configurationRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13bcma: extract some basic info about board from SPROMRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13ssb: use u16 for storing board revRafał Miłecki
Specs say about size 2 (u16) and my 14e4:4727 has board rev 0x1211. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13b43: LCN-PHY: prepare functions for channel switchingRafał Miłecki
Switching is not fully implemented yet, prepare place for the code. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13b43: LCN-PHY: implement more PHY ops before radio initRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13b43: LCN-PHY: add R/W ops for PHY and radioRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13ath9k_hw: do not apply the 2.4 ghz ack timeout workaround to ctsFelix Fietkau
It is only used to workaround interoperability issues related to longer delays in receiving the block ack, so it is not necessary to apply it to the CTS exchange. Should improve throughput slightly, especially when there are lots of retransmissions. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13mac80211: Defer tranmission of mesh path errorsJavier Cardona
Under failure conditions, the mesh stack sends PERR messages to the previous sender of the failed frame. This happens in the tx feedback path, in which the transmission queue lock may be taken. Avoid a deadlock by sending the path error via the pending queue. Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13Merge branch 'master' of ↵John W. Linville
git://git.infradead.org/users/linville/wireless-next into for-davem
2011-09-13iwlagn: fix command queue timeoutJohannes Berg
If the command queue is constantly busy, which can happen in P2P, the hangcheck timer will frequently find a command in it and will eventually reset the device because nothing sets the timestamp for this queue when commands are processed. Fix this by setting the timestamp when a command completes. Cc: stable@kernel.org #2.6.39, #3.0.0 #3.1.0 Signed-off-by: Johannes Berg <johannes.berg@intel.com> SIgned-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13iwlagn: fix stack corruptionJohannes Berg
Alexander reported a strange crash in iwlagn that Meenakshi and Wey couldn't reproduce. I just ran into the same issue and tracked it down to stack corruption. This fixes it. The problem was introduced in commit 4b8b99b6e650d0527f3a123744b7459976581d14 Author: Wey-Yi Guy <wey-yi.w.guy@intel.com> Date: Fri Jul 8 14:29:48 2011 -0700 iwlagn: radio sensor offset in le16 format Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com> Cc: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Reported-by: Alexander Diewald <alex@diewald.cc> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13ath9k: Fix kernel panic on unplugging the deviceMohammed Shafi Shajakhan
when the device is yanked out ath_pci_remove starts doing the cleanups, unregistering the hardware etc. so we should bail out immediately when we get drv_flush callback from mac80211 when the card is being unplugged. the panic occurs after we had associated to an AP. EIP: 0060:[<fb315b00>] EFLAGS: 00010246 CPU: 0 EIP is at ath_reset+0xa0/0x1c0 [ath9k] EAX: 00000000 EBX: 000697c0 ECX: 00000002 EDX: f3c3ccf0 ESI: 00000000 EDI: 00000000 EBP: f43e7b78 ESP: f43e7b50 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process kworker/u:2 (pid: 182, ti=f43e6000 task=f3c3c7c0 task.ti=f43e6000) Stack: 0000002a 00000000 00000000 003e7b78 0000000f eaaa8500 ffffffea eaaa97c0 eaaaa000 00000001 f43e7ba8 fb315d23 f99e7721 ecece680 eaaac738 eaaa8500 eaaaa020 000000c8 000000c8 00000000 eaaa8d58 eaaa8500 f43e7bd0 fb080b29 Call Trace: [<fb315d23>] ath9k_flush+0x103/0x170 [ath9k] [<fb080b29>] __ieee80211_recalc_idle+0x2c9/0x400 [mac80211] [<fb080c8e>] ieee80211_recalc_idle+0x2e/0x60 [mac80211] [<fb07aa73>] ieee80211_mgd_deauth+0x173/0x210 [mac80211] [<fb084559>] ieee80211_deauth+0x19/0x20 [mac80211] [<f99dda53>] __cfg80211_mlme_deauth+0xf3/0x140 [cfg80211] [<c0633d00>] ? __mutex_lock_common+0x1f0/0x380 [<f99e1b5d>] __cfg80211_disconnect+0x18d/0x1f0 [cfg80211] [<f99c8199>] cfg80211_netdev_notifier_call+0x159/0x5c0 [cfg80211] [<c0608a64>] ? packet_notifier+0x174/0x1f0 [<c0639202>] notifier_call_chain+0x82/0xb0 [<c0170d8f>] raw_notifier_call_chain+0x1f/0x30 [<c053b86c>] call_netdevice_notifiers+0x2c/0x60 [<c0182184>] ? trace_hardirqs_on_caller+0xf4/0x180 [<c053b8ec>] __dev_close_many+0x4c/0xd0 [<c053ba2d>] dev_close_many+0x6d/0xc0 [<c053bb53>] rollback_registered_many+0x93/0x1c0 [<c018221b>] ? trace_hardirqs_on+0xb/0x10 [<c053bc95>] unregister_netdevice_many+0x15/0x50 [<fb07f83b>] ieee80211_remove_interfaces+0x7b/0xb0 [mac80211] [<fb06a14b>] ieee80211_unregister_hw+0x4b/0x110 [mac80211] [<fb311a4a>] ath9k_deinit_device+0x3a/0x60 [ath9k] [<fb31eed6>] ath_pci_remove+0x46/0x90 [ath9k] [<c03b4ac4>] pci_device_remove+0x44/0x100 [<c043eb54>] __device_release_driver+0x64/0xb0 [<c043ec67>] device_release_driver+0x27/0x40 [<c043deeb>] bus_remove_device+0x7b/0xa0 [<c043c491>] device_del+0xf1/0x180 [<c043c530>] device_unregister+0x10/0x20 [<c03afafe>] pci_stop_bus_device+0x6e/0x80 [<c03afb72>] pci_remove_bus_device+0x12/0xa0 [<c03c2f29>] pciehp_unconfigure_device+0x89/0x180 [<c0181e54>] ? mark_held_locks+0x64/0x100 [<c063390f>] ? __mutex_unlock_slowpath+0xaf/0x140 [<c03c1f84>] pciehp_disable_slot+0x64/0x1b0 [<c03c2850>] pciehp_power_thread+0xd0/0x100 [<c0164ad0>] ? process_one_work+0x100/0x4d0 [<c0164b4c>] process_one_work+0x17c/0x4d0 [<c0164ad0>] ? process_one_work+0x100/0x4d0 [<c03c2780>] ? queue_interrupt_event+0xa0/0xa0 [<c01662bb>] worker_thread+0x13b/0x320 [<c018221b>] ? trace_hardirqs_on+0xb/0x10 [<c0166180>] ? manage_workers+0x1e0/0x1e0 [<c016a654>] kthread+0x84/0x90 [<c016a5d0>] ? __init_kthread_worker+0x60/0x60 [<c063d106>] kernel_thread_helper+0x6/0x10 Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13mac80211: fix missing sta_lock in __sta_info_destroyJohannes Berg
Since my commit 34e895075e21be3e21e71d6317440d1ee7969ad0 ("mac80211: allow station add/remove to sleep") there is a race in mac80211 when it clears the TIM bit because a sleeping station disconnected, the spinlock isn't held around the relevant code any more. Use the right API to acquire the spinlock correctly. Cc: stable@kernel.org [2.6.34+] Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13rtlwifi: Fix problem when switching connectionsGeorge
The driver fails to clear encryption keys making it impossible to switch connections. Signed-off-by: George <george0505@realtek.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> [2.6.39+] Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13rtlwifi: rtl8192su: Fix problem connecting to HT-enabled APGeorge
The driver fails to connect to 802.11n-enabled APs. The patch fixes Bug #42262. Signed-off-by: George <george0505@realtek.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> [2.6.39+] Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-13xen/e820: if there is no dom0_mem=, don't tweak extra_pages.David Vrabel
The patch "xen: use maximum reservation to limit amount of usable RAM" (d312ae878b6aed3912e1acaaf5d0b2a9d08a4f11) breaks machines that do not use 'dom0_mem=' argument with: reserve RAM buffer: 000000133f2e2000 - 000000133fffffff (XEN) mm.c:4976:d0 Global bit is set to kernel page fffff8117e (XEN) domain_crash_sync called from entry.S (XEN) Domain 0 (vcpu#0) crashed on cpu#0: ... The reason being that the last E820 entry is created using the 'extra_pages' (which is based on how many pages have been freed). The mentioned git commit sets the initial value of 'extra_pages' using a hypercall which returns the number of pages (if dom0_mem has been used) or -1 otherwise. If the later we return with MAX_DOMAIN_PAGES as basis for calculation: return min(max_pages, MAX_DOMAIN_PAGES); and use it: extra_limit = xen_get_max_pages(); if (extra_limit >= max_pfn) extra_pages = extra_limit - max_pfn; else extra_pages = 0; which means we end up with extra_pages = 128GB in PFNs (33554432) - 8GB in PFNs (2097152, on this specific box, can be larger or smaller), and then we add that value to the E820 making it: Xen: 00000000ff000000 - 0000000100000000 (reserved) Xen: 0000000100000000 - 000000133f2e2000 (usable) which is clearly wrong. It should look as so: Xen: 00000000ff000000 - 0000000100000000 (reserved) Xen: 0000000100000000 - 000000027fbda000 (usable) Naturally this problem does not present itself if dom0_mem=max:X is used. CC: stable@kernel.org Signed-off-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-09-13hwmon: (pmbus) Fix low limit temperature alarmsGuenter Roeck
Temperature alarms are detected by checking the alarm bit and comparing temperature limits against the current temperature. For low limits, this comparison needs to be reversed (temp < limit instead of temp > limit). This was not taken into account, resulting in wrong alarms if a temperature fell below a low limit. Fix by adding a low limit flag in the limit data structure. When creating the sensor entry, the order of registers to compare is now reversed for low limits. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org> Cc: stable@kernel.org # 3.0+
2011-09-13ALSA: hda - Terminate the recursive connection search properlyTakashi Iwai
The recursive search of widget connections in snd_hda_get_conn_index() must be terminated at the pin and the audio-out widgets. Otherwise you'll get "too deep connection" warnings unnecessarily. Reported-by: Francis Moreau <francis.moro@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-09-12Input: wacom - fix touch parsing on newer BamboosChris Bagwell
Bamboos with Product ID's > 0xD4 return values unrelated to pressure in touch 1 pressure field. They also report 2nd touch X/Y values shifted down 1 byte (where pressure was). This results in jumpy 1 finger touch and totally invalid 2nd finger data. For touch detection, switch to a Touch Present single bit that all versions of Bamboo support. For touch 2 offset, calculate offset based on a bit that is set different between the two packet layouts. Since touch pressure reports were removed from driver, there was no need to be reading pressure any more. Signed-off-by: Chris Bagwell <chris@cnpbagwell.com> Reviewed-by: Ping Cheng <pinglinux@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-09-12Merge branch 'acpi' of git://github.com/lenb/linuxLinus Torvalds
* 'acpi' of git://github.com/lenb/linux: acpica: ACPI_MAX_SLEEP should be 2 sec, not 20 ACPI APEI: Add Kconfig option IRQ_WORK for GHES PNP: update pnp.debug usage (needs value on command line) APEI: Fix WHEA _OSC call
2011-09-12Merge branch 'upstream/bugfix' of git://github.com/jsgf/linux-xenLinus Torvalds
* 'upstream/bugfix' of git://github.com/jsgf/linux-xen: xen: use non-tracing preempt in xen_clocksource_read()
2011-09-12Merge branches 'apei', 'bz-13195' and 'doc' into acpiLen Brown
2011-09-12Linux 3.1-rc6v3.1-rc6Linus Torvalds
2011-09-12Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm: Remove duplicate "return" statement drm/nv04/crtc: Bail out if FB is not bound to crtc drm/nouveau: fix nv04_sgdma_bind on non-"4kB pages" archs drm/nouveau: properly handle allocation failure in nouveau_sgdma_populate drm/nouveau: fix oops on pre-semaphore hardware drm/nv50/crtc: Bail out if FB is not bound to crtc drm/radeon/kms: fix DP detect and EDID fetch for DP bridges
2011-09-12Merge branch 'fixes' of git://git.linaro.org/people/arnd/arm-socLinus Torvalds
* 'fixes' of git://git.linaro.org/people/arnd/arm-soc: ARM: CSR: add missing sentinels to of_device_id tables ARM: cns3xxx: Fix newly introduced warnings in the PCIe code ARM: cns3xxx: Fix compile error caused by hardware.h removed ARM: davinci: fix cache flush build error ARM: davinci: correct MDSTAT_STATE_MASK ARM: davinci: da850 EVM: read mac address from SPI flash OMAP: omap_device: fix !CONFIG_SUSPEND case in _noirq handlers OMAP2430: hwmod: musb: add missing terminator to omap2430_usbhsotg_addrs[] OMAP3: clock: indicate that gpt12_fck and wdt1_fck are in the WKUP clockdomain OMAP4: clock: fix compile warning OMAP4: clock: re-enable previous clockdomain enable/disable sequence OMAP: clockdomain: Wait for powerdomain to be ON when using clockdomain force wakeup OMAP: powerdomains: Make all powerdomain target states as ON at init
2011-09-12ioctl: register LTTng ioctlMathieu Desnoyers
The LTTng 2.0 kernel tracer (stand-alone module package, available at http://lttng.org) uses the 0xF6 ioctl range for tracer control and transport operations. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-09-12Merge branch 'for-linus' of git://github.com/chrismason/linuxLinus Torvalds
* 'for-linus' of git://github.com/chrismason/linux: Btrfs: add dummy extent if dst offset excceeds file end in Btrfs: calc file extent num_bytes correctly in file clone btrfs: xattr: fix attribute removal Btrfs: fix wrong nbytes information of the inode Btrfs: fix the file extent gap when doing direct IO Btrfs: fix unclosed transaction handle in btrfs_cont_expand Btrfs: fix misuse of trans block rsv Btrfs: reset to appropriate block rsv after orphan operations Btrfs: skip locking if searching the commit root in csum lookup btrfs: fix warning in iput for bad-inode Btrfs: fix an oops when deleting snapshots
2011-09-12fuse: fix memory leakMiklos Szeredi
kmemleak is reporting that 32 bytes are being leaked by FUSE: unreferenced object 0xe373b270 (size 32): comm "fusermount", pid 1207, jiffies 4294707026 (age 2675.187s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<b05517d7>] kmemleak_alloc+0x27/0x50 [<b0196435>] kmem_cache_alloc+0xc5/0x180 [<b02455be>] fuse_alloc_forget+0x1e/0x20 [<b0245670>] fuse_alloc_inode+0xb0/0xd0 [<b01b1a8c>] alloc_inode+0x1c/0x80 [<b01b290f>] iget5_locked+0x8f/0x1a0 [<b0246022>] fuse_iget+0x72/0x1a0 [<b02461da>] fuse_get_root_inode+0x8a/0x90 [<b02465cf>] fuse_fill_super+0x3ef/0x590 [<b019e56f>] mount_nodev+0x3f/0x90 [<b0244e95>] fuse_mount+0x15/0x20 [<b019d1bc>] mount_fs+0x1c/0xc0 [<b01b5811>] vfs_kern_mount+0x41/0x90 [<b01b5af9>] do_kern_mount+0x39/0xd0 [<b01b7585>] do_mount+0x2e5/0x660 [<b01b7966>] sys_mount+0x66/0xa0 This leak report is consistent and happens once per boot on 3.1.0-rc5-dirty. This happens if a FORGET request is queued after the fuse device was released. Reported-by: Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-09-12fuse: fix flock breakageMiklos Szeredi
Commit 37fb3a30b4 ("fuse: fix flock") added in 3.1-rc4 caused flock() to fail with ENOSYS with the kernel ABI version 7.16 or earlier. Fix by falling back to testing FUSE_POSIX_LOCKS for ABI versions 7.16 and earlier. Reported-by: Martin Ziegler <ziegler@email.mathematik.uni-freiburg.de> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Tested-by: Martin Ziegler <ziegler@email.mathematik.uni-freiburg.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-09-12Merge branch 'for_3.1/pm-fixes-2' of ↵Arnd Bergmann
git://gitorious.org/khilman/linux-omap-pm into fixes
2011-09-12Merge branch 'sirf/fixes' into fixesArnd Bergmann
2011-09-12ASoC: Fix trivial build regression in Kirkwood I2SArnd Bergmann
A fix merged in 3.1-rc2 introduced a small regression, this should get it to build again. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-12genirq: Make irq_shutdown() symmetric vs. irq_startup againGeert Uytterhoeven
If an irq_chip provides .irq_shutdown(), but neither of .irq_disable() or .irq_mask(), free_irq() crashes when jumping to NULL. Fix this by only trying .irq_disable() and .irq_mask() if there's no .irq_shutdown() provided. This revives the symmetry with irq_startup(), which tries .irq_startup(), .irq_enable(), and irq_unmask(), and makes it consistent with the comment for irq_chip.irq_shutdown() in <linux/irq.h>, which says: * @irq_shutdown: shut down the interrupt (defaults to ->disable if NULL) This is also how __free_irq() behaved before the big overhaul, cfr. e.g. 3b56f0585fd4c02d047dc406668cb40159b2d340 ("genirq: Remove bogus conditional"), where the core interrupt code always overrode .irq_shutdown() to .irq_disable() if .irq_shutdown() was NULL. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: linux-m68k@lists.linux-m68k.org Link: http://lkml.kernel.org/r/1315742394-16036-2-git-send-email-geert@linux-m68k.org Cc: stable@kernel.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-09-11Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linusLinus Torvalds
* 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus: [media] vp7045: fix buffer setup [media] nuvoton-cir: simplify raw IR sample handling [media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL [media] v4l2: Fix documentation of the codec device controls [media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240 [media] gspca - sonixj: Fix wrong register mask for sensor om6802 [media] gspca - ov519: Fix LED inversion of some ov519 webcams [media] pwc: precedence bug in pwc_init_controls()
2011-09-11Merge branch 'for-linus' of git://openrisc.net/~jonas/linuxLinus Torvalds
* 'for-linus' of git://openrisc.net/~jonas/linux: Add missing DMA ops openrisc: don't use pt_regs in struct sigcontext
2011-09-11Btrfs: add dummy extent if dst offset excceeds file end inLi Zefan
You can see there's no file extent with range [0, 4096]. Check this by btrfsck: # btrfsck /dev/sda7 root 5 inode 258 errors 100 ... Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-09-11Btrfs: calc file extent num_bytes correctly in file cloneLi Zefan
num_bytes should be 4096 not 12288. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-09-11btrfs: xattr: fix attribute removalDavid Sterba
An attribute is not removed by 'setfattr -x attr file' and remains visible in attr list. This makes xfstests/062 pass again. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-09-11Btrfs: fix wrong nbytes information of the inodeMiao Xie
If we write some data into the data hole of the file(no preallocation for this hole), Btrfs will allocate some disk space, and update nbytes of the inode, but the other element--disk_i_size needn't be updated. At this condition, we must update inode metadata though disk_i_size is not changed(btrfs_ordered_update_i_size() return 1). # mkfs.btrfs /dev/sdb1 # mount /dev/sdb1 /mnt # touch /mnt/a # truncate -s 856002 /mnt/a # dd if=/dev/zero of=/mnt/a bs=4K count=1 conv=nocreat,notrunc # umount /mnt # btrfsck /dev/sdb1 root 5 inode 257 errors 400 found 32768 bytes used err is 1 Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-09-11Btrfs: fix the file extent gap when doing direct IOMiao Xie
When we write some data to the place that is beyond the end of the file in direct I/O mode, a data hole will be created. And Btrfs should insert a file extent item that point to this hole into the fs tree. But unfortunately Btrfs forgets doing it. The following is a simple way to reproduce it: # mkfs.btrfs /dev/sdc2 # mount /dev/sdc2 /test4 # touch /test4/a # dd if=/dev/zero of=/test4/a seek=8 count=1 bs=4K oflag=direct conv=nocreat,notrunc # umount /test4 # btrfsck /dev/sdc2 root 5 inode 257 errors 100 Reported-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Tested-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-09-11Btrfs: fix unclosed transaction handle in btrfs_cont_expandMiao Xie
The function - btrfs_cont_expand() forgot to close the transaction handle before it jump out the while loop. Fix it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-09-11Btrfs: fix misuse of trans block rsvLiu Bo
At the beginning of create_pending_snapshot, trans->block_rsv is set to pending->block_rsv and is used for snapshot things, however, when it is done, we do not recover it as will. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-09-11Btrfs: reset to appropriate block rsv after orphan operationsLiu Bo
While truncating free space cache, we forget to change trans->block_rsv back to the original one, but leave it with the orphan_block_rsv, and then with option inode_cache enable, it leads to countless warnings of btrfs_alloc_free_block and btrfs_orphan_commit_root: WARNING: at fs/btrfs/extent-tree.c:5711 btrfs_alloc_free_block+0x180/0x350 [btrfs]() ... WARNING: at fs/btrfs/inode.c:2193 btrfs_orphan_commit_root+0xb0/0xc0 [btrfs]() Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-09-11Btrfs: skip locking if searching the commit root in csum lookupJosef Bacik
It's not enough to just search the commit root, since we could be cow'ing the very block we need to search through, which would mean that its locked and we'll still deadlock. So use path->skip_locking as well. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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