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2011-05-04VM: skip the stack guard page lookup in get_user_pages only for mlockLinus Torvalds2-8/+4
The logic in __get_user_pages() used to skip the stack guard page lookup whenever the caller wasn't interested in seeing what the actual page was. But Michel Lespinasse points out that there are cases where we don't care about the physical page itself (so 'pages' may be NULL), but do want to make sure a page is mapped into the virtual address space. So using the existence of the "pages" array as an indication of whether to look up the guard page or not isn't actually so great, and we really should just use the FOLL_MLOCK bit. But because that bit was only set for the VM_LOCKED case (and not all vma's necessarily have it, even for mlock()), we couldn't do that originally. Fix that by moving the VM_LOCKED check deeper into the call-chain, which actually simplifies many things. Now mlock() gets simpler, and we can also check for FOLL_MLOCK in __get_user_pages() and the code ends up much more straightforward. Reported-and-reviewed-by: Michel Lespinasse <[email protected]> Cc: [email protected] Signed-off-by: Linus Torvalds <[email protected]>
2011-05-04Merge branch 'staging-linus' of ↵Linus Torvalds17-23/+24
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 * 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: staging: Remove a warning for drivers/staging/wlan-ng/cfg80211.c staging: intel_sst: intelmid needs delay.h staging: solo6x10: add select SND_PCM to fix build error staging: usbip: vhci: fix oops on subsequent attach staging: ft1000: Remove unnecessary EXPORT_SYMBOLs staging: rts_pstor: use #ifdef instead of #if staging: rts_pstor: Add <linux/vmalloc.h> staging: gma500: Depend on X86 staging: olpc: Add <linux/delay.h>
2011-05-04Merge branch 'usb-linus' of ↵Linus Torvalds7-14/+45
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 * 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: xHCI: Clear PLC in xhci_bus_resume() USB: fix regression in usbip by setting has_tt flag usb/isp1760: Report correct urb status after unlink omap:usb: add regulator support for EHCI mfd: Fix usbhs_enable error handling usb: musb: gadget: Fix out-of-sync runtime pm calls usb: musb: omap2430: Fix retention idle on musb peripheral only boards
2011-05-04Merge branch 'for-linus' of ↵Linus Torvalds9-31/+49
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: do not call __mark_dirty_inode under i_lock libceph: fix ceph_osdc_alloc_request error checks ceph: handle ceph_osdc_new_request failure in ceph_writepages_start libceph: fix ceph_msg_new error path ceph: use ihold() when i_lock is held
2011-05-04Merge branch 'v4l_for_linus' of ↵Linus Torvalds14-13/+44
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: [media] ngene: Fix CI data transfer regression Fix CI data transfer regression introduced by previous cleanup. [media] v4l: make sure drivers supply a zeroed struct v4l2_subdev [media] Missing frontend config for LME DM04/QQBOX [media] rc_core: avoid kernel oops when rmmod saa7134 [media] imon: add conditional locking in change_protocol [media] rc: show RC_TYPE_OTHER in sysfs [media] ite-cir: modular build on ppc requires delay.h include [media] mceusb: add Dell transceiver ID
2011-05-04Merge branch 'fixes' of ↵Linus Torvalds1-14/+25
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: Fix for broken configrom updates in quick succession
2011-05-04Merge branch 'for-linus' of ↵Linus Torvalds5-13/+26
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: flex_arrays: allow zero length flex arrays flex_array: flex_array_prealloc takes a number of elements, not an end SELinux: pass last path component in may_create
2011-05-04slub: Fix the lockless code on 32-bit platforms with no 64-bit cmpxchgThomas Gleixner2-3/+3
The SLUB allocator use of the cmpxchg_double logic was wrong: it actually needs the irq-safe one. That happens automatically when we use the native unlocked 'cmpxchg8b' instruction, but when compiling the kernel for older x86 CPUs that do not support that instruction, we fall back to the generic emulation code. And if you don't specify that you want the irq-safe version, the generic code ends up just open-coding the cmpxchg8b equivalent without any protection against interrupts or preemption. Which definitely doesn't work for SLUB. This was reported by Werner Landgraf <[email protected]>, who saw instability with his distro-kernel that was compiled to support pretty much everything under the sun. Most big Linux distributions tend to compile for PPro and later, and would never have noticed this problem. This also fixes the prototypes for the irqsafe cmpxchg_double functions to use 'bool' like they should. [ Btw, that whole "generic code defaults to no protection" design just sounds stupid - if the code needs no protection, there is no reason to use "cmpxchg_double" to begin with. So we should probably just remove the unprotected version entirely as pointless. - Linus ] Signed-off-by: Thomas Gleixner <[email protected]> Reported-and-tested-by: werner <[email protected]> Acked-and-tested-by: Ingo Molnar <[email protected]> Acked-by: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: Jens Axboe <[email protected]> Cc: Tejun Heo <[email protected]> Link: http://lkml.kernel.org/r/alpine.LFD.2.02.1105041539050.3005@ionos Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-05-04net: ip_expire() must revalidate routeEric Dumazet1-16/+15
Commit 4a94445c9a5c (net: Use ip_route_input_noref() in input path) added a bug in IP defragmentation handling, in case timeout is fired. When a frame is defragmented, we use last skb dst field when building final skb. Its dst is valid, since we are in rcu read section. But if a timeout occurs, we take first queued fragment to build one ICMP TIME EXCEEDED message. Problem is all queued skb have weak dst pointers, since we escaped RCU critical section after their queueing. icmp_send() might dereference a now freed (and possibly reused) part of memory. Calling skb_dst_drop() and ip_route_input_noref() to revalidate route is the only possible choice. Reported-by: Denys Fedoryshchenko <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-05-04ceph: do not call __mark_dirty_inode under i_lockSage Weil5-12/+23
The __mark_dirty_inode helper now takes i_lock as of 250df6ed. Fix the one ceph callers that held i_lock (__ceph_mark_dirty_caps) to return the flags value so that the callers can do it outside of i_lock. Signed-off-by: Sage Weil <[email protected]>
2011-05-04[media] V4L: soc-camera: regression fix: calculate .sizeimage in soc_camera.cSergio Aguirre1-6/+42
A recent patch has given individual soc-camera host drivers a possibility to calculate .sizeimage and .bytesperline pixel format fields internally, however, some drivers relied on the core calculating these values for them, following a default algorithm. This patch restores the default calculation for such drivers. Based on initial patch by Guennadi Liakhovetski, found here: http://www.spinics.net/lists/linux-media/msg31282.html Except that this covers try_fmt aswell. Signed-off-by: Sergio Aguirre <[email protected]> Signed-off-by: Guennadi Liakhovetski <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-05-04[media] v4l2-subdev: fix broken subdev control enumerationHans Verkuil1-7/+7
The v4l2_subdev_* functions are meant for older V4L2 drivers that do not use the control framework yet. These functions should not be used by subdev_do_ioctl. Most of those backwards compatibility functions are just stubs, but commit 87a0c94ce616b231f3c0bd09d7dbd39d43b0557a actually changed the behavior of v4l2_subdev_queryctrl, so calling that one from subdev_do_ioctl broke the control enumeration in subdev nodes. The fix is simply not to use those compatibility functions in v4l2-subdev.c. Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-05-04drm/i915/dp: Be paranoid in case we disable a DP before it is attachedChris Wilson1-2/+15
Given that the hardware may be left in a random condition by the BIOS, it is conceivable that we then attempt to clear the DP_PIPEB_SELECT bit without us ever enabling/attaching the DP encoder to a pipe. Thus causing a NULL deference when we attempt to wait for a vblank on that crtc. Reported-and-tested-by: Bryan Christ <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36314 Signed-off-by: Chris Wilson <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36456 Reported-and-tested-by: Bo Wang <[email protected]> Cc: [email protected] Signed-off-by: Keith Packard <[email protected]>
2011-05-04drm/i915: Release object along create user fb error pathChris Wilson1-1/+3
Reported-by: Alan Cox <[email protected]> Signed-off-by: Chris Wilson <[email protected]> Cc: [email protected] Signed-off-by: Keith Packard <[email protected]>
2011-05-04[media] Fix cx88 remote control inputLawrence Rust1-1/+1
In the IR interrupt handler of cx88-input.c there's a 32-bit multiply overflow which causes IR pulse durations to be incorrectly calculated. This is a regression caused by commit 2997137be8eba. Cc: [email protected] Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-05-04[media] v4l: Release module if subdev registration failsLaurent Pinchart1-1/+4
If v4l2_device_register_subdev() fails, the reference to the subdev module taken by the function isn't released. Fix this. Signed-off-by: Laurent Pinchart <[email protected]> Cc: [email protected] Acked-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2011-05-04Merge branch 'perf/urgent' of ↵Ingo Molnar8-12/+74
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/urgent
2011-05-03Linux 2.6.39-rc6Linus Torvalds1-1/+1
2011-05-04Merge branch 'for-linus' of git://git.infradead.org/users/eparis/selinux ↵James Morris5-13/+26
into for-linus
2011-05-03Merge branch 'drm-fixes' of ↵Linus Torvalds7-10/+49
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/radeon/kms: fix gart setup on fusion parts (v2) drm: Send pending vblank events before disabling vblank. drm/radeon: fix regression on atom cards with hardcoded EDID record. drm/radeon/kms: add some new pci ids
2011-05-04drm/radeon/kms: fix gart setup on fusion parts (v2)Alex Deucher4-8/+18
Out of the entire GART/VM subsystem, the hw designers changed the location of 3 regs. v2: airlied: add parameter for userspace to work from. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Jerome Glisse <[email protected]> Cc: [email protected] Signed-off-by: Dave Airlie <[email protected]>
2011-05-04drm: Send pending vblank events before disabling vblank.Christopher James Halse Rogers1-0/+23
This is the least-bad behaviour. It means that we signal the vblank event before it actually happens, but since we're disabling vblanks there's no guarantee that it will *ever* happen otherwise. This prevents GL applications which use WaitMSC from hanging indefinitely. Signed-off-by: Christopher James Halse Rogers <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2011-05-04drm/radeon: fix regression on atom cards with hardcoded EDID record.Dave Airlie1-2/+3
Since fafcf94e2b5732d1e13b440291c53115d2b172e9 introduced an edid size, it seems to have broken this path. This manifest as oops on T500 Lenovo laptops with dual graphics primarily. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=33812 cc: [email protected] Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2011-05-04drm/radeon/kms: add some new pci idsAlex Deucher1-0/+5
Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected] Signed-off-by: Dave Airlie <[email protected]>
2011-05-03logfs: initialize superblock entries earlierLinus Torvalds1-4/+4
In particular, s_freeing_list needs to be initialized early, since it is used on some of the error paths when mounts fail. The mapping inode, for example, would be initialized and then free'd on an error path before s_freeing_list was initialized, but the inode drop operation needs the s_freeing_list to be set up. Normally you'd never see this, because not only is logfs fairly rare, but a successful mount will never have any issues. Reported-by: werner <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-05-03ASoC: sst_platform: add hw_free callback to fix resource leakxingchao1-0/+6
Signed-off-by: xingchao <[email protected]> Acked-by: Liam Girdwood <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2011-05-03ASoC: Don't crash on PM operationsMark Brown1-0/+2
The move over to exposing snd_soc_register_card() let the initialisation of the driver data we use to find the card in PM operations go AWOL. Fix this by setting the driver data when we register the card. Signed-off-by: Mark Brown <[email protected]> Acked-by: Liam Girdwood <[email protected]>
2011-05-03[SCSI] fix oops in scsi_run_queue()James Bottomley1-1/+6
The recent commit closing the race window in device teardown: commit 86cbfb5607d4b81b1a993ff689bbd2addd5d3a9b Author: James Bottomley <[email protected]> Date: Fri Apr 22 10:39:59 2011 -0500 [SCSI] put stricter guards on queue dead checks is causing a potential NULL deref in scsi_run_queue() because the q->queuedata may already be NULL by the time this function is called. Since we shouldn't be running a queue that is being torn down, simply add a NULL check in scsi_run_queue() to forestall this. Tested-by: Jim Schutt <[email protected]> Cc: [email protected] Signed-off-by: James Bottomley <[email protected]>
2011-05-03staging: Remove a warning for drivers/staging/wlan-ng/cfg80211.cHarry Wei1-1/+1
Hi us, When i was compiling kernel, a warning happened to me. The warning said like following. drivers/staging/wlan-ng/cfg80211.c:709: warning: initialization from incompatible pointer type. See http://s1202.photobucket.com/albums/bb364/harrywei/?action=view&current=patched2.png for more details. So i patch like following. Signed-off-by: Harry Wei <[email protected]> Acked-by: Randy Dunlap <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2011-05-03xHCI: Clear PLC in xhci_bus_resume()Andiry Xu1-2/+17
This patch clears PORT_PLC if xhci_bus_resume() resumes a previous suspended port, because if a port transition from U3 to U0 state, it will report a port link state change, and software should clear the corresponding PLC bit. It also uses hcd->speed to check if a port is a USB2 protocol port. The patch fixes the issue that USB keyboard can not wakeup system from hibernation. Signed-off-by: Andiry Xu <[email protected]> Signed-off-by: Sarah Sharp <[email protected]>
2011-05-03ASoC: JZ4740: Fix i2s shutdownLars-Peter Clausen1-1/+1
The i2s shutdown callback has the check whether it should be disabled reversed. Currently it is disabled if another stream is still active, but kept enabled if the last stream is closed. This patch fixes it. Signed-off-by: Lars-Peter Clausen <[email protected]> Acked-by: Liam Girdwood <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2011-05-03libceph: fix ceph_osdc_alloc_request error checksSage Weil2-4/+4
ceph_osdc_alloc_request returns NULL on failure. Signed-off-by: Sage Weil <[email protected]>
2011-05-03ceph: handle ceph_osdc_new_request failure in ceph_writepages_startHenry C Chang1-0/+7
We should unlock the page and return -ENOMEM if ceph_osdc_new_request failed. Signed-off-by: Henry C Chang <[email protected]> Signed-off-by: Sage Weil <[email protected]>
2011-05-03libceph: fix ceph_msg_new error pathHenry C Chang1-13/+13
If memory allocation failed, calling ceph_msg_put() will cause GPF since some of ceph_msg variables are not initialized first. Fix Bug #970. Signed-off-by: Henry C Chang <[email protected]> Signed-off-by: Sage Weil <[email protected]>
2011-05-03ceph: use ihold() when i_lock is heldSage Weil1-2/+2
See 0444d76ae64fffc7851797fc1b6ebdbb44ac504a. Signed-off-by: Sage Weil <[email protected]>
2011-05-03Merge branch 'stable/bug-fixes-for-rc5' of ↵Linus Torvalds1-1/+124
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/bug-fixes-for-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: mask_rw_pte mark RO all pagetable pages up to pgt_buf_top xen/mmu: Add workaround "x86-64, mm: Put early page table high"
2011-05-03Merge branch 'for-linus' of ↵Linus Torvalds7-13/+20
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: sdhci: Check mrq != NULL in sdhci_tasklet_finish mmc: sdhci: Check mrq->cmd in sdhci_tasklet_finish mmc: tmio: fix .set_ios(MMC_POWER_UP) handling mmc: fix a race between card-detect rescan and clock-gate work instances mmc: omap: Fix possible NULL pointer deref mmc: core: mmc_add_card(): fix missing break in switch statement mmc: sdhci-pci: Fix error case in sdhci_pci_probe_slot()
2011-05-03Merge branches 'x86-fixes-for-linus' and 'irq-fixes-for-linus' of ↵Linus Torvalds4-9/+9
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, reboot: Fix relocations in reboot_32.S x86, NUMA: Fix empty memblk detection in numa_cleanup_meminfo() x86, AMD: Fix APIC timer erratum 400 affecting K8 Rev.A-E processors * 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: genirq: Fix typo CONFIG_GENIRC_IRQ_SHOW_LEVEL
2011-05-03cifs: handle errors from coalesce_t2Jeff Layton1-3/+7
cifs_demultiplex_thread calls coalesce_t2 to try and merge follow-on t2 responses into the original mid buffer. coalesce_t2 however can return errors, but the caller doesn't handle that situation properly. Fix the thread to treat such a case as it would a malformed packet. Mark the mid as being malformed and issue the callback. Cc: [email protected] Acked-by: David Howells <[email protected]> Signed-off-by: Jeff Layton <[email protected]> Signed-off-by: Steve French <[email protected]>
2011-05-03cifs: refactor mid finding loop in cifs_demultiplex_threadJeff Layton1-46/+46
...to reduce the extreme indentation. This should introduce no behavioral changes. Cc: [email protected] Acked-by: David Howells <[email protected]> Signed-off-by: Jeff Layton <[email protected]> Signed-off-by: Steve French <[email protected]>
2011-05-02Merge branch 'for-linus' of ↵Linus Torvalds2-11/+66
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: wm831x-ts - move BTN_TOUCH reporting to data transfer Input: wm831x-ts - allow IRQ flags to be specified Input: wm831x-ts - fix races with IRQ management
2011-05-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds51-134/+338
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits) sysctl: net: call unregister_net_sysctl_table where needed Revert: veth: remove unneeded ifname code from veth_newlink() smsc95xx: fix reset check tg3: Fix failure to enable WoL by default when possible networking: inappropriate ioctl operation should return ENOTTY amd8111e: trivial typo spelling: Negotitate -> Negotiate ipv4: don't spam dmesg with "Using LC-trie" messages af_unix: Only allow recv on connected seqpacket sockets. mii: add support of pause frames in mii_get_an net: ftmac100: fix scheduling while atomic during PHY link status change usbnet: Transfer of maintainership usbnet: add support for some Huawei modems with cdc-ether ports bnx2: cancel timer on device removal iwl4965: fix "Received BA when not expected" iwlagn: fix "Received BA when not expected" dsa/mv88e6131: fix unknown multicast/broadcast forwarding on mv88e6085 usbnet: Resubmit interrupt URB if device is open iwl4965: fix "TX Power requested while scanning" iwlegacy: led stay solid on when no traffic b43: trivial: update module info about ucode16_mimo firmware ...
2011-05-02USB: fix regression in usbip by setting has_tt flagAlan Stern1-1/+1
This patch (as1460) fixes a regression in the usbip driver caused by the new check for Transaction Translators in USB-2 hubs. The root hub registered by vhci_hcd needs to have the has_tt flag set, because it can connect to low- and full-speed devices as well as high-speed devices. Signed-off-by: Alan Stern <[email protected]> Reported-and-tested-by: Nikola Ciprich <[email protected]> CC: <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2011-05-02usb/isp1760: Report correct urb status after unlinkArvid Brodin1-0/+1
This fixes a bug in my previous (2.6.38) patch series which caused urb->status value to be wrong after unlink (broke usbtest 11, 12). Signed-off-by: Arvid Brodin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2011-05-02sysctl: net: call unregister_net_sysctl_table where neededLucian Adrian Grijincu2-2/+2
ctl_table_headers registered with register_net_sysctl_table should have been unregistered with the equivalent unregister_net_sysctl_table Signed-off-by: Lucian Adrian Grijincu <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-05-02Revert: veth: remove unneeded ifname code from veth_newlink()Jiri Pirko1-0/+12
84c49d8c3e4abefb0a41a77b25aa37ebe8d6b743 ("veth: remove unneeded ifname code from veth_newlink()") caused regression on veth creation. This patch reverts the original one. Reported-by: Michał Mirosław <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-05-02smsc95xx: fix reset checkRabin Vincent1-1/+1
The reset loop check should check the MII_BMCR register value for BMCR_RESET rather than for MII_BMCR (the register address, which also happens to be zero). Signed-off-by: Rabin Vincent <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-05-02tg3: Fix failure to enable WoL by default when possibleRafael J. Wysocki1-2/+6
tg3 is supposed to enable WoL by default on adapters which support that, but it fails to do so unless the adapter's /sys/devices/.../power/wakeup file contains 'enabled' during the initialization of the adapter. Fix that by making tg3 use device_set_wakeup_enable() to enable wakeup automatically whenever WoL should be enabled by default. Signed-off-by: Rafael J. Wysocki <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-05-02networking: inappropriate ioctl operation should return ENOTTYLifeng Sun1-3/+3
ioctl() calls against a socket with an inappropriate ioctl operation are incorrectly returning EINVAL rather than ENOTTY: [ENOTTY] Inappropriate I/O control operation. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=33992 Signed-off-by: Lifeng Sun <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-05-02x86, reboot: Fix relocations in reboot_32.SH. Peter Anvin1-6/+6
The use of base for %ebx in this file is arbitrary, *except* that we also use it to compute the real-mode segment. Therefore, make it so that r_base really is the true address to which %ebx points. This resolves kernel bugzilla 33302. Reported-and-tested-by: Alexey Zaytsev <[email protected]> Signed-off-by: H. Peter Anvin <[email protected]> Link: http://lkml.kernel.org/n/[email protected]
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