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2011-01-31[media] rc/ir-lirc-codec: add back debug spewJarod Wilson1-1/+5
Some occasionally useful debug spew disappeared as part of a feature update a while back, and I'm finding myself in need of it again to help diagnose some issues. Signed-off-by: Jarod Wilson <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-01-31[media] ir-kbd-i2c: improve remote behavior with z8 behind usbJarod Wilson2-1/+13
Add the same "are you ready?" i2c_master_send() poll command to get_key_haup_xvr found in lirc_zilog, which is apparently seen in the Windows driver for the PVR-150 w/a z8. This stabilizes what is received from both the HD-PVR and HVR-1950, even with their polling intervals at the default of 100, thus the removal of the custom 260ms polling_interval in pvrusb2-i2c-core.c. Acked-by: Andy Walls <[email protected]> Acked-by: Mike Isely <[email protected]> Signed-off-by: Jarod Wilson <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-01-31[media] lirc_zilog: z8 on usb doesn't like back-to-back i2c_master_sendJarod Wilson1-6/+26
Both the HD-PVR and HVR-1950, driven by the hdpvr and pvrusb2 drivers respectively, have a zilog z8 chip exposed via i2c. These are both usb-connected devices, and on both of them, back-to-back i2c_master_send calls that work fine with a z8 on a pci card fail with a -EIO, as the chip isn't yet ready from the prior command. To cope with that, add a delay and retry loop where necessary. Acked-by: Andy Walls <[email protected]> Signed-off-by: Jarod Wilson <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-01-31[media] hdpvr: fix up i2c device registrationJarod Wilson3-16/+41
We have to actually call i2c_new_device() once for each of the rx and tx addresses. Also improve error-handling and device remove i2c cleanup. Reviewed-by: Andy Walls <[email protected]> Signed-off-by: Jarod Wilson <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-01-31[media] rc/mce: add mappings for missing keysJarod Wilson1-0/+6
Per http://mediacenterguides.com/book/export/html/31 and investigation by Erin, we were missing these last three mappings to complete the mce key table. Lets remedy that. Reported-by: Erin Simonds <[email protected]> Signed-off-by: Jarod Wilson <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-01-31[media] gspca - zc3xx: Discard the partial framesJean-François Moine1-2/+10
In some cases, some frames may not end with the JPEG end of frame. Being not complete, they are now discarded. Signed-off-by: Jean-François Moine <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-01-31[media] gspca - zc3xx: Fix bad images with the sensor hv7131rJean-François Moine1-2/+15
The problem was introduced by the commit 2af0b4c60cc0daf0. Some registers were no more initialized. Tested-by: <Giovanni Scafora [email protected]> Tested-by: <Sergey Manucharian [email protected]> Signed-off-by: Jean-François Moine <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-01-31[media] gspca - zc3xx: Bad delay when given by a tableJean-François Moine1-1/+1
Signed-off-by: Jean-François Moine <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-01-31watchdog: Don't change watchdog state on read of sysctlMarcin Slusarz1-4/+6
Signed-off-by: Marcin Slusarz <[email protected]> [ add {}'s to fix a warning ] Signed-off-by: Don Zickus <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2011-01-31watchdog: Fix sysctl consistencyMarcin Slusarz1-6/+7
If it was not possible to enable watchdog for any cpu, switch watchdog_enabled back to 0, because it's visible via kernel.watchdog sysctl. Signed-off-by: Marcin Slusarz <[email protected]> Signed-off-by: Don Zickus <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2011-01-31watchdog: Fix broken nowatchdog logicMarcin Slusarz1-14/+6
Passing nowatchdog to kernel disables 2 things: creation of watchdog threads AND initialization of percpu watchdog_hrtimer. As hrtimers are initialized only at boot it's not possible to enable watchdog later - for me all watchdog threads started to eat 100% of CPU time, but they could just crash. Additionally, even if these threads would start properly, watchdog_disable_all_cpus was guarded by no_watchdog check, so you couldn't disable watchdog. To fix this, remove no_watchdog variable and use already existing watchdog_enabled variable. Signed-off-by: Marcin Slusarz <[email protected]> [ removed another no_watchdog instance ] Signed-off-by: Don Zickus <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2011-01-31ARM: io: ensure inb/outb() et.al. are properly ordered on ARMv6+Russell King1-16/+17
Ensure that the ISA/PCI IO space accessors are properly ordered on ARMv6+ architectures. These should always be ordered with respect to all other accesses. This also fixes __iormb() and __iowmb() not being visible to ioread/ iowrite if a platform defines its own MMIO accessors. Signed-off-by: Russell King <[email protected]>
2011-01-31ARM: initrd: disable initrd if passed address overlaps reserved regionRussell King1-0/+6
Disable the initrd if the passed address already overlaps the reserved region. This avoids oopses on Netwinders when NeTTrom tells the kernel that an initrd is located at mem+4MB, but this overlaps the BSS, resulting in the kernels in-use BSS being freed. This should be applied to v2.6.37-stable. Cc: <[email protected]> Signed-off-by: Russell King <[email protected]>
2011-01-31ARM: footbridge: fix debug macrosRussell King1-2/+2
0ea1293 (arm: return both physical and virtual addresses from addruart) changed the way the 'addruart' worked, making it return both the virt and phys addresses. Unfortunately, for footbridge, these were reversed. Fix that. Tested on Netwinder. Signed-off-by: Russell King <[email protected]>
2011-01-31ARM: mmci: round down the bytes transferred on errorRussell King1-3/+4
We should not report incomplete blocks on error. Return the number of bytes successfully transferred, rounded down to the nearest block. Acked-by: Linus Walleij <[email protected]> Signed-off-by: Russell King <[email protected]>
2011-01-31ARM: mmci: complete the transaction on errorRussell King1-1/+1
When we encounter an error, make sure we complete the transaction otherwise we'll leave the request dangling. Acked-by: Linus Walleij <[email protected]> Signed-off-by: Russell King <[email protected]>
2011-01-31[S390] reset default for CONFIG_CHSC_SCHSebastian Ott1-1/+1
6f9a3c33 "[S390] cleanup s390 Kconfig" accidentally changed the default for CONFIG_CHSC_SCH. Reset it to m. Signed-off-by: Sebastian Ott <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]>
2011-01-31[S390] qdio: prevent compile warning under CONFIG_32BITJan Glauber1-2/+2
Prevent the following compiler warning if compiling a 31 bit kernel: drivers/s390/cio/qdio_main.c: In function ‘get_outbound_buffer_frontier’: drivers/s390/cio/qdio_main.c:646:16: warning: ‘state’ may be used uninitialized in this function CC lib/radix-tree.o CC drivers/s390/scsi/zfcp_cfdc.o drivers/s390/cio/qdio_main.c: In function ‘qdio_inbound_q_moved’: drivers/s390/cio/qdio_main.c:479:16: warning: ‘state’ may be used uninitialized in this function drivers/s390/cio/qdio_main.c:479:16: note: ‘state’ was declared here Signed-off-by: Jan Glauber <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]>
2011-01-31[S390] use asm-generic/cacheflush.hAkinobu Mita1-22/+1
The implementation of the cache flushing interfaces on the s390 is identical with the default implementation in asm-generic. Signed-off-by: Akinobu Mita <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]>
2011-01-31[S390] tlb: fix build error caused by THPHeiko Carstens1-0/+1
Fix this build error with !CONFIG_SWAP caused by tranparent huge pages support: In file included from mm/pgtable-generic.c:9:0: /linux-2.6/arch/s390/include/asm/tlb.h: In function 'tlb_remove_page': /linux-2.6/arch/s390/include/asm/tlb.h:92:2: error: implicit declaration of function 'page_cache_release' Signed-off-by: Heiko Carstens <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]>
2011-01-31[S390] missing sacf in uaccessMartin Schwidefsky1-6/+4
The uaccess functions copy_in_user_std and clear_user_std fail to switch back from secondary space mode to primary space mode with sacf in case of an unresolvable page fault. We need to make sure that the switch back to primary mode is done in all cases, otherwise the code following the uaccess inline assembly will crash. Reported-by: Alexander Graf <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]>
2011-01-31[S390] pgtable_list corruptionMartin Schwidefsky1-1/+2
After page_table_free_rcu removed a page from the pgtable_list page_table_free better not add it again. Otherwise a page_table_alloc can reuse a page table fragment that is still in the rcu process. Signed-off-by: Martin Schwidefsky <[email protected]>
2011-01-31[S390] dasd: prevent panic with unresumed devicesStefan Haberland1-0/+6
If a device is not resumed correctly the system crashes when this device is set offline. This may happen if it gets disconnected during suspend. Check if the device is already removed from alias handling and skip these steps to prevent the kernel panic. Signed-off-by: Stefan Haberland <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]>
2011-01-31cifs: force a reconnect if there are too many MIDs in flightJeff Layton1-13/+24
Currently, we allow the pending_mid_q to grow without bound with SIGKILL'ed processes. This could eventually be a DoS'able problem. An unprivileged user could a process that does a long-running call and then SIGKILL it. If he can also intercept the NT_CANCEL calls or the replies from the server, then the pending_mid_q could grow very large, possibly even to 2^16 entries which might leave GetNextMid in an infinite loop. Fix this by imposing a hard limit of 32k calls per server. If we cross that limit, set the tcpStatus to CifsNeedReconnect to force cifsd to eventually reconnect the socket and clean out the pending_mid_q. While we're at it, clean up the function a bit and eliminate an unnecessary NULL pointer check. Signed-off-by: Jeff Layton <[email protected]> Reviewed-by: Shirish Pargaonkar <[email protected]> Signed-off-by: Steve French <[email protected]>
2011-01-31cifs: don't pop a printk when sending on a socket is interruptedJeff Layton1-2/+2
If we kill the process while it's sending on a socket then the kernel_sendmsg will return -EINTR. This is normal. No need to spam the ring buffer with this info. Signed-off-by: Jeff Layton <[email protected]> Signed-off-by: Steve French <[email protected]>
2011-01-31cifs: simplify SMB header check routineJeff Layton1-22/+24
...just cleanup. There should be no behavior change. Signed-off-by: Jeff Layton <[email protected]> Reviewed-by: Pavel Shilovsky <[email protected]> Signed-off-by: Steve French <[email protected]>
2011-01-31cifs: send an NT_CANCEL request when a process is signalledJeff Layton1-3/+12
Use the new send_nt_cancel function to send an NT_CANCEL when the process is delivered a fatal signal. This is a "best effort" enterprise however, so don't bother to check the return code. There's nothing we can reasonably do if it fails anyway. Reviewed-by: Pavel Shilovsky <[email protected]> Reviewed-by: Suresh Jayaraman <[email protected]> Signed-off-by: Jeff Layton <[email protected]> Signed-off-by: Steve French <[email protected]>
2011-01-31cifs: handle cancelled requests betterJeff Layton1-7/+36
Currently, when a request is cancelled via signal, we delete the mid immediately. If the request was already transmitted however, the client is still likely to receive a response. When it does, it won't recognize it however and will pop a printk. It's also a little dangerous to just delete the mid entry like this. We may end up reusing that mid. If we do then we could potentially get the response from the first request confused with the later one. Prevent the reuse of mids by marking them as cancelled and keeping them on the pending_mid_q list. If the reply comes in, we'll delete it from the list then. If it never comes, then we'll delete it at reconnect or when cifsd comes down. Reviewed-by: Pavel Shilovsky <[email protected]> Signed-off-by: Jeff Layton <[email protected]> Signed-off-by: Steve French <[email protected]>
2011-01-31Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6Steve French276-1379/+4925
2011-01-31cifs: fix two compiler warning about uninitialized varsJeff Layton2-2/+4
fs/cifs/link.c: In function ‘symlink_hash’: fs/cifs/link.c:58:3: warning: ‘rc’ may be used uninitialized in this function [-Wuninitialized] fs/cifs/smbencrypt.c: In function ‘mdfour’: fs/cifs/smbencrypt.c:61:3: warning: ‘rc’ may be used uninitialized in this function [-Wuninitialized] Reviewed-by: Shirish Pargaonkar <[email protected]> Signed-off-by: Jeff Layton <[email protected]> Signed-off-by: Steve French <[email protected]>
2011-01-31Merge branch 'for-linus' of git://git.infradead.org/ubi-2.6Linus Torvalds1-27/+1
* 'for-linus' of git://git.infradead.org/ubi-2.6: Revert "UBI: use mtd->writebufsize to set minimal I/O unit size"
2011-01-31Input: rc-keymap - return KEY_RESERVED for unknown mappingsDmitry Torokhov1-11/+17
Do not respond with -EINVAL to EVIOCGKEYCODE for not-yet-mapped scancodes, but rather return KEY_RESERVED. This fixes breakage with Ubuntu's input-kbd utility that stopped returning full keymaps for remote controls. Tested-by: Mauro Carvalho Chehab <[email protected]> Tested-by: Mark Lord <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-31Merge branch 'for-linus' of ↵Linus Torvalds2-11/+27
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: synaptics - retry failed resets when reconnecting Input: synaptics - fix reconnect logic on MT devices Input: tegra-kbc - fix keymap entry for LeftMeta key Input: tegra-kbc - fix build error
2011-01-31Fix prlimit64 for suid/sgid processesKacper Kornet1-1/+2
Since check_prlimit_permission always fails in the case of SUID/GUID processes, such processes are not able to read or set their own limits. This commit changes this by assuming that process can always read/change its own limits. Signed-off-by: Kacper Kornet <[email protected]> Acked-by: Jiri Slaby <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-31intel_scu_ipc: remove duplicated #includeHuang Weiyi1-1/+0
Remove duplicated #include('s) in drivers/platform/x86/intel_scu_ipc.c Signed-off-by: Huang Weiyi <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-31NTFS: Fix invalid pointer dereference in ntfs_mft_record_alloc().Anton Altaparmakov2-4/+9
In ntfs_mft_record_alloc() when mapping the new extent mft record with map_extent_mft_record() we overwrite @m with the return value and on error, we then try to use the old @m but that is no longer there as @m now contains an error code instead so we crash when dereferencing the error code as if it were a pointer. The simple fix is to use a temporary variable to store the return value thus preserving the original @m for later use. This is a backport from the commercial Tuxera-NTFS driver and is well tested... Thanks go to Julia Lawall for pointing this out (whilst I had fixed it in the commercial driver I had failed to fix it in the Linux kernel). Signed-off-by: Anton Altaparmakov <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-31Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds15-704/+371
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: More crypto cleanup (try #2) CIFS: Add strictcache mount option CIFS: Implement cifs_strict_writev (try #4) [CIFS] Replace cifs md5 hashing functions with kernel crypto APIs
2011-01-31Merge branch 'for-linus' of ↵Linus Torvalds2-9/+10
git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-2.6-cm * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-2.6-cm: kmemleak: Allow kmemleak metadata allocations to fail kmemleak: remove memset by using kzalloc
2011-01-31Merge branch 'zerolen' of ↵Linus Torvalds1-0/+0
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'zerolen' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6: Delete zero-length drivers/staging/vme/bridges/Module.symvers
2011-01-31Merge branch 'for-linus' of ↵Linus Torvalds19-56/+54
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: HDA: Fix automute on Thinkpad L412/L512 ALSA: HDA: Fix dmesg output of HDMI supported bits ALSA: fix invalid hardware.h include in ac97c for AVR32 architecture ASoC: correct link specifications for corgi, poodle and spitz ASoC: Samsung: Fix outdated cpu_dai_name for s3c24xx i2s ASoC: Fix codec device id format used by some dai_links ALSA: azt3328 - fix broken AZF_FMT_XLATE macro ALSA: Xonar, CS43xx: Don't overrun static array ASoC: Handle low measured DC offsets for wm_hubs devices ASoC: da8xx/omap-l1xx: match codec_name with i2c ids ASoC: WM8994: fix wrong value in tristate function ASoC: WM8995: Fix incorrect use of snd_soc_update_bits()
2011-01-31Merge branch 'upstream-linus' of ↵Linus Torvalds7-75/+85
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: set queue DMA alignment to sector size for ATAPI too libata: DVR-212D can't do SETXFER DVD-RW DVR-212D ahci: add HFLAG_YES_FBS and apply it to 88SE9128 pata_hpt37x: inherit prereset() method for HPT374 ahci: AHCI mode SATA patch for Intel DH89xxCC DeviceIDs pata_hpt37x: fold 'if' statement into 'switch' pata_hpt{37x|3x2n}: use pr_*(DRV_NAME ...) instead of printk(KERN_* ...) pata_hpt{366|37x}: use pr_warning(...) instead of printk(KERN_WARNING ...) pata_mpc52xx: inherit from ata_bmdma_port_ops
2011-01-31Merge branch 'for-linus' of git://android.git.kernel.org/kernel/tegraLinus Torvalds4-11/+15
* 'for-linus' of git://android.git.kernel.org/kernel/tegra: ARM: tegra: clock: Add forward reference to struct clk ARM: tegra: irq: Rename gic pointers to avoid conflicts arm/tegra: Fix tegra irq_data conversion
2011-01-29Revert "UBI: use mtd->writebufsize to set minimal I/O unit size"Artem Bityutskiy1-27/+1
This reverts commit a121f643993474548fe98144514c50dd4f3dbe76. Unfortunately, this commit breaks UBIFS backward compatibility and makes new UBIFS refuse older UBIFS-formatted media: UBIFS error: validate_sb: min. I/O unit mismatch: 8 in superblock, 64 real Thus, we have to revert this patch and work on a better solution. Reported-by: Holger Brunck <[email protected]> Signed-off-by: Artem Bityutskiy <[email protected]>
2011-01-28Input: synaptics - retry failed resets when reconnectingAlexandre Peixoto Ferreira1-2/+11
On some machines, like Dell Studio XPS 16 (1640), touchpad fails to respond to the standard query after first reset but may start responding later, so let's repeat reset sequence several (3) times. Signed-off-by: Alexandre Peixoto Ferreira <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2011-01-28Input: synaptics - fix reconnect logic on MT devicesAlexandre Peixoto Ferreira1-6/+13
synaptics_set_advanced_gesture_mode() affect capabilities bits we should perform comparison after calling this function, otherwise they will never match and we will be forced to perform full reconnect. Signed-off-by: Alexandre Peixoto Ferreira <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2011-01-28Input: tegra-kbc - fix keymap entry for LeftMeta keyRakesh Iyer1-1/+1
Correct key mapping for Left Meta key. Signed-off-by: Rakesh Iyer <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2011-01-28Input: tegra-kbc - fix build errorRakesh Iyer1-2/+2
Fix build error introduced by variable name change. Signed-off-by: Rakesh Iyer <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2011-01-28NFS: NFSv4 readdir loses entriesChuck Lever1-3/+0
On recent 2.6.38-rc kernels, connectathon basic test 6 fails on NFSv4 mounts of OpenSolaris with something like: > ./test6: readdir > ./test6: (/mnt/klimt/matisse.test) didn't read expected 'file.12' dir entry, pass 0 > ./test6: (/mnt/klimt/matisse.test) didn't read expected 'file.82' dir entry, pass 0 > ./test6: (/mnt/klimt/matisse.test) didn't read expected 'file.164' dir entry, pass 0 > ./test6: (/mnt/klimt/matisse.test) Test failed with 3 errors > basic tests failed > Tests failed, leaving /mnt/klimt mounted > [cel@matisse cthon04]$ I narrowed the problem down to nfs4_decode_dirent() reporting that the decode buffer had overflowed while decoding the entries for those missing files. verify_attr_len() assumes both it's pointer arguments reside on the same page. When these arguments point to locations on two different pages, verify_attr_len() can report false errors. This can happen now that a large NFSv4 readdir result can span pages. We have reasonably good checking in nfs4_decode_dirent() anyway, so it should be safe to simply remove the extra checking. At a guess, this was introduced by commit 6650239a, "NFS: Don't use vm_map_ram() in readdir". Cc: [email protected] [2.6.37] Signed-off-by: Chuck Lever <[email protected]> Signed-off-by: Trond Myklebust <[email protected]>
2011-01-28NFS: Micro-optimize nfs4_decode_dirent()Chuck Lever1-3/+3
Make the decoding of NFSv4 directory entries slightly more efficient by: 1. Avoiding unnecessary byte swapping when checking XDR booleans, and 2. Not bumping "p" when its value will be immediately replaced by xdr_inline_decode() This commit makes nfs4_decode_dirent() consistent with similar logic in the other two decode_dirent() functions. Signed-off-by: Chuck Lever <[email protected]> Signed-off-by: Trond Myklebust <[email protected]>
2011-01-28NFS: Fix an NFS client lockdep issueTrond Myklebust1-2/+4
There is no reason to be freeing the delegation cred in the rcu callback, and doing so is resulting in a lockdep complaint that rpc_credcache_lock is being called from both softirq and non-softirq contexts. Reported-by: Chuck Lever <[email protected]> Signed-off-by: Trond Myklebust <[email protected]> Cc: [email protected]
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