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2008-12-22drivers/ide/{cs5530.c,sc1200.c}: Move a dereference below a NULL testJulia Lawall
In each case, if the NULL test is necessary, then the dereference should be moved below the NULL test. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T; expression E; identifier i,fld; statement S; @@ - T i = E->fld; + T i; ... when != E when != i if (E == NULL) S + i = E->fld; // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-20Null pointer deref with hrtimer_try_to_cancel()Thomas Gleixner
Impact: Prevent kernel crash with posix timer clockid CLOCK_MONOTONIC_RAW commit 2d42244ae71d6c7b0884b5664cf2eda30fb2ae68 (clocksource: introduce CLOCK_MONOTONIC_RAW) introduced a new clockid, which is only available to read out the raw not NTP adjusted system time. The above commit did not prevent that a posix timer can be created with that clockid. The timer_create() syscall succeeds and initializes the timer to a non existing hrtimer base. When the timer is deleted either by timer_delete() or by the exit() cleanup the kernel crashes. Prevent the creation of timers for CLOCK_MONOTONIC_RAW by setting the posix clock function to no_timer_create which returns an error code. Reported-and-tested-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: fs/9p: change simple_strtol to simple_strtoul 9p: convert d_iname references to d_name.name 9p: Remove potentially bad parameter from function entry debug print.
2008-12-20Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: fix resume (S2R) broken by Intel microcode module, on A110L x86 gart: don't complain if no AMD GART found AMD IOMMU: panic if completion wait loop fails AMD IOMMU: set cmd buffer pointers to zero manually x86: re-enable MCE on secondary CPUS after suspend/resume AMD IOMMU: allocate rlookup_table with __GFP_ZERO
2008-12-20x86: fix resume (S2R) broken by Intel microcode module, on A110LDmitry Adamushko
Impact: fix deadlock This is in response to the following bug report: Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12100 Subject : resume (S2R) broken by Intel microcode module, on A110L Submitter : Andreas Mohr <andi@lisas.de> Date : 2008-11-25 08:48 (19 days old) Handled-By : Dmitry Adamushko <dmitry.adamushko@gmail.com> [ The deadlock scenario has been discovered by Andreas Mohr ] I think I might have a logical explanation why the system: (http://bugzilla.kernel.org/show_bug.cgi?id=12100) might hang upon resuming, OTOH it should have likely hanged each and every time. (1) possible deadlock in microcode_resume_cpu() if either 'if' section is taken; (2) now, I don't see it in spec. and can't experimentally verify it (newer ucodes don't seem to be available for my Core2duo)... but logically-wise, I'd think that when read upon resuming, the 'microcode revision' (MSR 0x8B) should be back to its original one (we need to reload ucode anyway so it doesn't seem logical if a cpu doesn't drop the version)... if so, the comparison with memcmp() for the full 'struct cpu_signature' is wrong... and that's how one of the aforementioned 'if' sections might have been triggered - leading to a deadlock. Obviously, in my tests I simulated loading/resuming with the ucode of the same version (just to see that the file is loaded/re-loaded upon resuming) so this issue has never popped up. I'd appreciate if someone with an appropriate system might give a try to the 2nd patch (titled "fix a comparison && deadlock..."). In any case, the deadlock situation is a must-have fix. Reported-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Tested-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-19fs/9p: change simple_strtol to simple_strtoulJulia Lawall
Since v9ses->uid is unsigned, it would seem better to use simple_strtoul that simple_strtol. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r2@ long e; position p; @@ e = simple_strtol@p(...) @@ position p != r2.p; type T; T e; @@ e = - simple_strtol@p + simple_strtoul (...) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-12-199p: convert d_iname references to d_name.nameWu Fengguang
d_iname is rubbish for long file names. Use d_name.name in printks instead. Signed-off-by: Wu Fengguang <wfg@linux.intel.com> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-12-199p: Remove potentially bad parameter from function entry debug print.Duane Griffin
Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-12-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] mpt fusion: clear list of outstanding commands on host reset [SCSI] scsi_lib: only call scsi_unprep_request() under queue lock [SCSI] ibmvstgt: move crq_queue_create to the end of initialization [SCSI] libiscsi REGRESSION: fix passthrough support with older iscsi tools [SCSI] aacraid: disable Dell Percraid quirk on Adaptec 2200S and 2120S
2008-12-19Merge branch 'for-linus' of ↵Linus Torvalds
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: Fix a Oops bug in omap soc driver. ALSA: hda - Remove non-working headphone control for Dell laptops ALSA: hda - Add no-jd model for IDT 92HD73xx ALSA: Revert "ALSA: hda: removed unneeded hp_nid references" ALSA: hda - Add quirk for Dell Studio 17 ALSA: hda - Fix silent HP output on D975
2008-12-19Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: cciss: fix problem that deleting multiple logical drives could cause a panic
2008-12-19Merge branch 'drm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/i915: GEM on PAE has problems - disable it for now. drm/i915: Don't return busy for buffers left on the flushing list.
2008-12-19Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds
* 'for-linus' of git://neil.brown.name/md: md: Don't read past end of bitmap when reading bitmap.
2008-12-19Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI hotplug: ibmphp: Fix module ref count underflow PCI hotplug: acpiphp wants a 64-bit _SUN PCI: pciehp: fix unexpected power off with pciehp_force PCI: fix aer resume sanity check
2008-12-19Merge branch 'fix/asoc' into for-linusTakashi Iwai
2008-12-19ALSA: Fix a Oops bug in omap soc driver.Stanley Miao
There will be a Oops or frequent underrun messages when playing music with omap soc driver, this is because a data region is incorretly sized, other data region will be overwriten when writing to this data region. Signed-off-by: Stanley Miao <stanley.miao@windriver.com> Acked-by: Jarkko Nikula <jarkko.nikula@nokia.com> Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19ALSA: hda - Remove non-working headphone control for Dell laptopsTakashi Iwai
The previous commit re-enabled hp_nid setup for IDT92HD73*, but it's unneeded indeed for Dell laptops that have multiple headphones. Setting the extra hp_nid results in a non-working "Headpohne" mixer control. Thus hp_nid should be 0 for these dell models. Also, the automatic addition of hp_nid should check whether it's a dual-HP model or not. For dual-HPs, the pins are already checked by the early workaround. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19ALSA: hda - Add no-jd model for IDT 92HD73xxTakashi Iwai
Added the model without the jack-detection for some desktops that have really no jack-detection. The recent driver caused regressions regarding the sound output on such machines. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19ALSA: Revert "ALSA: hda: removed unneeded hp_nid references"Takashi Iwai
This reverts commit 07f455f779acfb3eba4921fd1399761559b10fa9. ALSA: hda: removed unneeded hp_nid references Removed unneeded hp_nid references for 92hd73xx codec family. This caused the silent output on some Intel desktops due to missing routing of widget 0x0a and 0x0d. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19cciss: fix problem that deleting multiple logical drives could cause a panicStephen M. Cameron
Fix problem that deleting multiple logical drives could cause a panic. It fixes a panic which can be easily reproduced in the following way: Just create several "arrays," each with multiple logical drives via hpacucli, then delete the first array, and it will blow up in deregister_disk(), in the call to get_host() when it tries to dig the hba pointer out of a NULL queue pointer. The problem has been present since my code to make rebuild_lun_table behave better went in. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-12-19ALSA: hda - Add quirk for Dell Studio 17Joerg Schirottke
Added the matching model=dell-m6 for Dell Studio 17 laptop. Signed-off-by: Joerg Schirottke <master@kanotix.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19drm/i915: GEM on PAE has problems - disable it for now.Dave Airlie
On PAE systems, GEM allocates pages using shmem, and passes these pages to be bound into AGP, however the AGP interfaces + the x86 set_memory interfaces all take unsigned long not dma_addr_t. The initial fix for this was a mess, so we need to do this correctly for 2.6.29. Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-12-19drm/i915: Don't return busy for buffers left on the flushing list.Eric Anholt
These buffers don't have active rendering still occurring to them, they just need either a flush to be emitted or a retire_requests to occur so that we notice they're done. Return unbusy so that one of the two occurs. The two expected consumers of this interface (OpenGL and libdrm_intel BO cache) both want this behavior. Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-12-19md: Don't read past end of bitmap when reading bitmap.NeilBrown
When we read the write-intent-bitmap off the device, we currently read a whole number of pages. When PAGE_SIZE is 4K, this works due to the alignment we enforce on the superblock and bitmap. When PAGE_SIZE is 64K, this case read past the end-of-device which causes an error. When we write the superblock, we ensure to clip the last page to just be the required size. Copy that code into the read path to just read the required number of sectors. Signed-off-by: Neil Brown <neilb@suse.de> Cc: stable@kernel.org
2008-12-18Linux 2.6.28-rc9Linus Torvalds
2008-12-18Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: async_xor: dma_map destination DMA_BIDIRECTIONAL dmaengine: protect 'id' from concurrent registrations ioat: wait for self-test completion
2008-12-18Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6 * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: avr32: favr-32 build fix ATSTK1006: Fix boot from NAND flash avr32: remove .note.gnu.build-id section when making vmlinux.bin avr32: Enable pullup on USART TX lines
2008-12-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: bnx2: Fix bug in bnx2_free_rx_mem(). irda: Add irda_skb_cb qdisc related padding jme: Fixed a typo net: kernel BUG at drivers/net/phy/mdio_bus.c:165! drivers/net: starfire: Fix napi ->poll() weight handling tlan: Fix pci memory unmapping enc28j60: use netif_rx_ni() to deliver RX packets tlan: Fix small (< 64 bytes) datagram transmissions netfilter: ctnetlink: fix missing CTA_NAT_SEQ_UNSPEC
2008-12-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc: We need to implement arch_ptrace_stop().
2008-12-18Maintainer email fixes for inotifyJohn McCutchan
Update John McCutchan and Robert Love's email addresses for maintenance of inotify Signed-off-by: John McCutchan <john@johnmccutchan.com> Acked-by: Robert Love <rlove@rlove.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-18avr32: favr-32 build fixHaavard Skinnemoen
The favr-32 board code still refers to the old asm/arch header files which were moved to mach/ some time ago. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-12-18ATSTK1006: Fix boot from NAND flashHaavard Skinnemoen
Enable JFFS2 write buffer support so that the kernel can access a root filesystem in NAND flash. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-12-18Merge branch 'iommu-fixes-2.6.28' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
2008-12-18x86 gart: don't complain if no AMD GART foundBjorn Helgaas
Impact: remove annoying bootup printk It's perfectly normal for no AMD GART to be present, e.g., if you have Intel CPUs. None of the other iommu_init() functions makes noise when it finds nothing. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-18ALSA: hda - Fix silent HP output on D975Takashi Iwai
Some desktops seems to have no HP/mic jack detection on the front panel, which results in the silent output in the recent driver, because the driver mutes the output (to save power) when no plug is detected. This patch adds a new model that disables the jack-detection. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-17bnx2: Fix bug in bnx2_free_rx_mem().Michael Chan
DMA memory for the jumbo rx page rings was freed incorrectly using the wrong local variable as the array index. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17PCI hotplug: ibmphp: Fix module ref count underflowNeil Horman
I happened to notice that the ibmphp hotplug driver does something rather silly in its init routine. It purposely calls module_put so as to underflow its module ref count to avoid being removed from the kernel. This is bad practice, and wrong, since it provides a window for subsequent module_gets to reset the refcount to zero, allowing an unload to race in and cause all sorts of mysterious panics. If the module is unsafe to load, simply omitting the module_exit parameter is sufficient to prevent the kernel from allowing the unload. Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-12-17irda: Add irda_skb_cb qdisc related paddingSamuel Ortiz
We need to pad irda_skb_cb in order to keep it safe accross dev_queue_xmit() calls. This is some ugly and temporary hack triggered by recent qisc code changes. Even though it fixes bugzilla.kernel.org bug #11795, it will be replaced by a proper fix before 2.6.29 is released. Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-17Merge branch 'i2c-fixes' of git://aeryn.fluff.org.uk/bjdooks/linuxLinus Torvalds
* 'i2c-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux: i2c-s3c2410: fix check for being in suspend. i2c-cpm: Detect and report NAK right away instead of timing out
2008-12-17Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: ocfs2: Add JBD2 compat feature bit. ocfs2: Always update xattr search when creating bucket.
2008-12-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: pl2303: add id for Hewlett-Packard LD220-HP POS pole display USB: set correct configuration in probe of ti_usb_3410_5052 USB: add 5372:2303 to pl2303 USB: skip Set-Interface(0) if already in altsetting 0 USB: fix comment about endianness of descriptors USB: Documentation/usb/gadget_serial.txt: update to match driver use_acm behaviour usbmon: drop bogus 0t from usbmon.txt USB: gadget: fix rndis working at high speed USB: ftdi_sio: Adding Ewert Energy System's CANdapter PID USB: tty: SprogII DCC controller identifiers usb-storage: update unusual_devs entry for Nokia 5310 USB: Unusual devs patch for Nokia 3500c USB: storage: unusual_devs.h: Nokia 3109c addition USB: fix problem with usbtmc driver not loading properly
2008-12-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: STAGING: Move staging drivers back to staging-specific menu driver core: add newlines to debugging enabled/disabled messages xilinx_hwicap: remove improper wording in license statement driver core: fix using 'ret' variable in unregister_dynamic_debug_module
2008-12-17cifs: fix buffer overrun in parse_DFS_referralsJeff Layton
While testing a kernel with memory poisoning enabled, I saw some warnings about the redzone getting clobbered when chasing DFS referrals. The buffer allocation for the unicode converted version of the searchName is too small and needs to take null termination into account. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-17Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc: powerpc: Fix corruption error in rh_alloc_fixed() powerpc/fsl-booke: Fix the miss interrupt restore
2008-12-17STAGING: Move staging drivers back to staging-specific menuDmitry Baryshkov
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-12-17driver core: add newlines to debugging enabled/disabled messagesMarcel Holtmann
Both messages are missing the newline and thus dmesg output gets scrambled. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-12-17xilinx_hwicap: remove improper wording in license statementGreg Kroah-Hartman
GPLv2 doesn't allow additional restrictions to be imposed on any code, so this wording needs to be removed from these files. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-12-17driver core: fix using 'ret' variable in unregister_dynamic_debug_moduleJohann Felix Soden
The 'ret' variable is assigned, but not used in the return statement. Fix this. Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net> Acked-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-12-17USB: pl2303: add id for Hewlett-Packard LD220-HP POS pole displayMike Provencher
Add id for the Hewlett-Packard LD220-HP POS pole display. Bus 002 Device 002: ID 03f0:3524 Hewlett-Packard Signed-off-by: Mike Provencher <mike.provencher@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-12-17USB: set correct configuration in probe of ti_usb_3410_5052Oliver Neukum
This driver transfers firmware. It may just as well set the correct configuration. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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