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2009-11-02i915: fix intel graphics suspend breakage due to resume/lid event confusionLinus Torvalds3-8/+24
In commit c1c7af60892070e4b82ad63bbfb95ae745056de0 ("drm/i915: force mode set at lid open time") the intel graphics driver was taught to restore the LVDS mode on lid open. That caused problems with interaction with the suspend/resume code, which commonly runs at the same time (suspend is often caused by the lid close event, while lid open is commonly a resume event), which was worked around with in commit 06891e27a9b5dba5268bb80e41a283f51335afe7 ("drm/i915: fix suspend/resume breakage in lid notifier"). However, in the meantime the lid event code had also grown a user event notifier (commit 06324194eee97a51b5f172270df49ec39192d6cc: "drm/i915: generate a KMS uevent at lid open/close time"), and now _that_ causes problems with suspend/resume and some versions of Xorg reacting to those uevents by setting the mode. So this effectively reverts that commit 06324194ee, and makes the lid open protection logic against suspend/resume more explicit. This fixes at least one laptop. See http://bugzilla.kernel.org/show_bug.cgi?id=14484 for more details. Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com> Cc: Eric Anholt <eric@anholt.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-31dpt_i2o: Fix typo of EINVALOGAWA Hirofumi1-1/+1
Commit ef7562b7f28319e6dd1f85dc1af87df2a7a84832 ("dpt_i2o: Fix up copy*user") had a silly typo: EINVAL should be -EINVAL. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: stable@kernel.org Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-31NOMMU: Don't pass NULL pointers to fput() in do_mmap_pgoff()David Howells1-2/+4
Don't pass NULL pointers to fput() in the error handling paths of the NOMMU do_mmap_pgoff() as it can't handle it. The following can be used as a test program: int main() { static long long a[1024 * 1024 * 20] = { 0 }; return a;} Without the patch, the code oopses in atomic_long_dec_and_test() as called by fput() after the kernel complains that it can't allocate that big a chunk of memory. With the patch, the kernel just complains about the allocation size and then the program segfaults during execve() as execve() can't complete the allocation of all the new ELF program segments. Reported-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Robin Getz <rgetz@blackfin.uclinux.org> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/cpu#/nodeAlex Chiang1-0/+15
Describe NUMA node symlink created for CPUs when CONFIG_NUMA is set. Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/cpuidle/Alex Chiang1-0/+20
Document cpuidle sysfs attributes by reading code, Documentation/cpuidle/, and git logs. Cc: Venki Pallipadi <venkatesh.pallipadi@intel.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/sched_[mc|smt]_power_savingsAlex Chiang1-0/+24
Document sched_[mc|smt]_power_savings by reading existing code and git logs. Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/cpu#/ topology filesAlex Chiang2-17/+69
Add brief descriptions for the following sysfs files: /sys/devices/system/cpu/cpu#/topology/core_id /sys/devices/system/cpu/cpu#/topology/core_siblings /sys/devices/system/cpu/cpu#/topology/core_siblings_list /sys/devices/system/cpu/cpu#/topology/physical_package_id /sys/devices/system/cpu/cpu#/topology/thread_siblings /sys/devices/system/cpu/cpu#/topology/thread_siblings_list The descriptions in Documentation/cputopology.txt weren't very informative, so I attempted a better description based on code reading and hopeful guessing. Updated Documentation/cputopology.txt with the better descriptions and fixed some style issues. Cc: Mike Travis <travis@sgi.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/ topology filesAlex Chiang1-0/+28
Add brief descriptions for the following sysfs files: /sys/devices/system/cpu/kernel_max /sys/devices/system/cpu/offline /sys/devices/system/cpu/online /sys/devices/system/cpu/possible /sys/devices/system/cpu/present Excerpted the relevant information from Documentation/cputopology.txt and pointed back to cputopology.txt as the authoritative source of information. Cc: Mike Travis <travis@sgi.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: document /sys/devices/system/cpu/Alex Chiang1-0/+12
This interface has been around for a long time, but hasn't been officially documented. Document the top level sysfs directory for CPU attributes. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: rename sysfs-devices-cache_disable properlyAlex Chiang1-0/+0
Rename sysfs-devices-cache_disable to sysfs-devices-system-cpu, in order to keep a stricter correlation between a sysfs directory and its documentation. Reported-by: David Rientjes <rientjes@google.com> Signed-off-by: Alex Chiang <achiang@hp.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Driver core: allow certain drivers prohibit bind/unbind via sysfsDmitry Torokhov3-8/+19
Platform drivers registered via platform_driver_probe() can be bound to devices only once, upon registration, because discard their probe() routines to save memory. Unbinding the driver through sysfs 'unbind' leaves the device stranded and confuses users so let's not create bind and unbind attributes for such drivers. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Cc: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Driver core: fix driver_register() return valueStas Sergeev1-1/+1
In this patch: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=16dc42e018c2868211b4928f20a957c0c216126c the check was added for another driver to already claim the same device on the same bus. But the returned error code was wrong: to modprobe, the -EEXIST means that _this_ driver is already installed. It therefore doesn't produce the needed error message when _another_ driver is trying to register for the same device. Returning -EBUSY fixes the problem. Signed-off-by: Stas Sergeev <stsp@aknet.ru> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30USB: fsl_udc_core: Fix kernel oops on module removalAnton Vorontsov1-1/+1
fsl_udc_release() calls dma_free_coherent() with an inappropriate device passed to it, and since the device has no dma_ops, the following oops pops up: Kernel BUG at d103ce9c [verbose debug info unavailable] Oops: Exception in kernel mode, sig: 5 [#1] ... NIP [d103ce9c] fsl_udc_release+0x50/0x80 [fsl_usb2_udc] LR [d103ce74] fsl_udc_release+0x28/0x80 [fsl_usb2_udc] Call Trace: [cfbc7dc0] [d103ce74] fsl_udc_release+0x28/0x80 [fsl_usb2_udc] [cfbc7dd0] [c01a35c4] device_release+0x2c/0x90 [cfbc7de0] [c016b480] kobject_cleanup+0x58/0x98 [cfbc7e00] [c016c52c] kref_put+0x54/0x6c [cfbc7e10] [c016b360] kobject_put+0x34/0x64 [cfbc7e20] [c01a1d0c] put_device+0x1c/0x2c [cfbc7e30] [d103dbfc] fsl_udc_remove+0xc0/0x1e4 [fsl_usb2_udc] ... This patch fixes the issue by passing dev->parent, which points to a correct device. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Li Yang <leoli@freescale.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30USB: option: TLAYTECH TUE800 supportBryan Wu1-0/+4
Add ID for Tlaytech TUE800 CDMA modem to the option driver. Signed-off-by: Bryan Wu <bryan.wu@canonical.com> Acked-By: Matthias Urlichs <matthias@urlichs.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30USB: r8a66597-hcd: fix cannot detect a device when uses_new_polling is setYoshihiro Shimoda1-10/+13
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30USB: serial: sierra driver autopm fixesElina Pasheva1-6/+8
This patch presents fixes for the autosuspend feature implementation in sierra usb serial driver in functions sierra_open(), sierra_close() and stop_read_write_urbs(). The patch "sierra_close() must resume the device before it notifies it of a closure" submitted by Oliver Neukum on Wed, October 14 has been merged as fix in sierra_close() function. The bug fix in sierra_open() function restores the autopm interface state on error condition. The bug fix in in stop_read_write_urbs() function assures that both receive and interrupt urbs are recycled. Signed-off-by: Elina Pasheva <epasheva@sierrawireless.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30USB: serial: sierra driver send_setup() autopm fixElina Pasheva1-10/+14
This patch presents a fix for the autosuspend feature implementation in sierra usb serial driver for function sierra_send_setup(). Because it is possible to call sierra_send_setup() before sierra_open() or after sierra_close() we added a get/put interface activity to assure that the usb control can happen even when the device is autosuspended. Signed-off-by: Elina Pasheva <epasheva@sierrawireless.com> Tested-by: Matthew Safar <msafar@sierrawireless.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30USB: rndis_host: debug info clobbered before it is loggedGeorge Nassar1-3/+3
The MTU throttle-down if a RNDIS device doesn't support a particular packet size is being incorrectly logged. The attempted packet size is being clobbered before it gets logged. First patch; please inform if I'm doing this incorrectly. Diff'd against latest official source as per the FAQ; forward port to current git version is straightforward. Signed-off-by: George Nassar <george.nassar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: fix wireless drivers dependsRandy Dunlap3-3/+3
These drivers can (erroneously) be enabled even when CONFIG_NET=n, CONFIG_NETDEVICES=n, CONFIG_WLAN=n, etc. Stop this. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: wireless drivers Kconfig changeGreg Kroah-Hartman6-6/+6
Change the wireless drivers to depend on CONFIG_WLAN instead of CONFIG_WLAN_80211 which is going away soon. Cc: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: android: mark subsystem as brokenGreg Kroah-Hartman1-0/+1
It's causing lots of build errors, so just mark it as broken. It is scheduled to be removed in 2.6.33 anyway. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: remove stlc45xx driverGreg Kroah-Hartman7-3323/+0
It's no longer needed as the p54spi driver is the same thing, under a different name and in the correct portion of the kernel tree. Cc: Javier Martinez Canillas <martinez.javier@gmail.com> Cc: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: rtl8187se/rtl8192e/rtl8192su: allow module unloadHerton Ronaldo Krzesinski12-96/+37
On rtl81* additions, they had its wireless stack made builtin instead of separated modules. But try_module_get/module_put in stack were kept, they are uneeded with the stack builtin and makes rtl81* modules impossible to remove on a system with an rtl81* card. request_module calls are also uneeded with stack builtin, so remove them too. Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: vt6656: fix the memory free bug in vntwusb_disconnect()miaofng1-1/+0
This patch is used to solve the memory bug when people plug out the wusb card then plug in. Error logs are following: root@smdk2440:~# ifdown eth1 AP deauthed me, reason=2. Config_FileOperation file Not exist Zone=[1][J][P]!! WPA: Terminating root@smdk2440:~# ----> !!!!!!!!!!!!!!here plug out the wusbcard usb 1-1: USB disconnect, address 4 ----> !!!!!!!!!!!!!!!!!!!here plug in the wusb card usb 1-1: new full speed USB device using s3c2410-ohci and address 5 usb 1-1: New USB device found, idVendor=160a, idProduct=3184 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 1-1: Product: VNT USB-802.11 Wireless LAN Adapter usb 1-1: Manufacturer: VIA Networking Technologies, Inc. usb 1-1: configuration #1 chosen from 1 choice VIA Networking Wireless LAN USB Driver Ver. 1.19_12 Copyright (c) 2004 VIA Networking Technologies, Inc. kernel BUG at mm/slab.c:2974! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 817 [#1] PREEMPT Modules linked in: vt6656_stage CPU: 0 Not tainted (2.6.32-rc2 #14) PC is at __bug+0x1c/0x28 LR is at __bug+0x18/0x28 pc : [<c002fb10>] lr : [<c002fb0c>] psr: 40000093 sp : c3867c68 ip : c3867bd0 fp : c3866000 r10: c3800600 r9 : c3802430 r8 : 00000004 r7 : c3802428 r6 : c3802660 r5 : c3802420 r4 : a0000013 r3 : 00000000 r2 : c3866000 r1 : 00000003 r0 : 00000024 Flags: nZcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 0000717f Table: 330a8000 DAC: 00000017 Process khubd (pid: 152, stack limit = 0xc3866270) Stack: (0xc3867c68 to 0xc3868000) 7c60: c0093fdc c0094088 000000d0 000000d0 00000000 000080d0 7c80: 00000000 a0000013 c39ebec0 c3800600 000080d0 00000001 c03f13cc 00000006 7ca0: c02b36f0 c0094574 c0043428 0001c9de c39ebec0 c39ebea0 c3000c00 c02a6a84 7cc0: 89705f41 c3000c00 c39ebec0 c39ebea0 c3000c00 bf036f24 c39ebec8 00000006 7ce0: 00000000 c3000c00 c39ebec0 c39ebea0 c3000c00 bf036f24 c39ebec8 00000006 7d00: 00000000 bf003398 c00aa514 c3867d20 0000a1ff c00e1448 c39d9f84 c39aabe8 7d20: c3867d50 c00e1888 c39aabe8 c39ebea0 c39ebec0 bf036ebc c3000c00 bf036f24 7d40: 0000bec8 01000000 00000000 c39ebea0 c39ebec0 bf036ebc c3000c00 bf036f24 7d60: c39ebec8 00000000 00000000 c0223798 c39ebec0 c01daa14 bf036eec c3867da0 7d80: c045a4f8 c01da6e4 c39ebec0 00000000 c01daa14 c39ebec0 c3867da0 c01d9870 7da0: c38331a8 c39fcb94 c005b3b4 c39ebec0 c39ebec0 c39ebef4 00000000 c01da890 7dc0: c39ebec0 c39ebec0 c3000c00 c01d97f4 00000000 c01d8470 c39ebea0 c3000c68 7de0: 00000000 c3000c68 c3218a00 c3abcd20 00000001 c39ebec0 c39ebea0 c3000c00 7e00: 00000000 c3000c68 c3218a00 c3abcd20 00000001 c0221ee8 00000001 00000000 7e20: 00000000 00000000 00001388 00000000 c3000c04 c3000c68 c3bc29c0 00000001 7e40: c3bc29c4 00000001 c03f4af8 00000000 c39fe780 c3000c00 00000001 c045ab04 7e60: c3867eb8 c045a3bc c3000c70 00000000 00000000 c0229238 c3000c68 c0223210 7e80: c3000c00 c045aaf0 c045ab04 c0223230 c3000c68 c01daa14 c045ab04 c01da6e4 7ea0: c3000c68 00000000 c01daa14 c3000c68 c3867eb8 c01d9870 c38331a8 c3862f54 7ec0: c005b3b4 c3000c68 c3000c68 c3000c9c 00000002 c01da890 c3867ef9 c3000c68 7ee0: c3829f60 c01d97f4 00000000 c01d8470 c38918e0 c3aaf468 39383102 c300343a 7f00: 00000001 c0219660 c03f1768 c3000c00 00000000 c3000c68 00000002 c3aaf814 7f20: 00000001 00000101 c38918e0 c021b6e0 00000002 00000000 00000000 c3000c00 7f40: c38917c0 c021c418 00000064 00000064 00000101 c3867f60 c005b920 c3867f94 7f60: c3891830 c3aaf400 c3866000 c3aaf400 c3aaf800 00000000 c38918e0 c3aaf400 7f80: 00000012 00000000 00000000 c3837920 c00574a0 c3867f94 c3867f94 00000101 7fa0: 01010001 c3867fd4 c381bf48 c3867fd4 c381bf48 00000000 c021ba3c 00000000 7fc0: 00000000 00000000 00000000 c00573dc 00000000 00000000 c3867fd8 c3867fd8 7fe0: 00000000 00000000 00000000 00000000 00000000 c002ce88 00000000 ffff0000 [<c002fb10>] (__bug+0x1c/0x28) from [<c0094088>] (cache_alloc_refill+0x13c/0x594) [<c0094088>] (cache_alloc_refill+0x13c/0x594) from [<c0094574>] (__kmalloc+0x94/0xd0) [<c0094574>] (__kmalloc+0x94/0xd0) from [<c02a6a84>] (alloc_netdev_mq+0x48/0x1b0) [<c02a6a84>] (alloc_netdev_mq+0x48/0x1b0) from [<bf003398>] (vntwusb_found1+0x58/0x53c [vt6656_stage]) [<bf003398>] (vntwusb_found1+0x58/0x53c [vt6656_stage]) from [<c0223798>] (usb_probe_interface+0x130/0x180) [<c0223798>] (usb_probe_interface+0x130/0x180) from [<c01da6e4>] (driver_probe_device+0xac/0x164) [<c01da6e4>] (driver_probe_device+0xac/0x164) from [<c01d9870>] (bus_for_each_drv+0x50/0x90) [<c01d9870>] (bus_for_each_drv+0x50/0x90) from [<c01da890>] (device_attach+0x50/0x68) [<c01da890>] (device_attach+0x50/0x68) from [<c01d97f4>] (bus_probe_device+0x28/0x54) [<c01d97f4>] (bus_probe_device+0x28/0x54) from [<c01d8470>] (device_add+0x3b4/0x4f0) [<c01d8470>] (device_add+0x3b4/0x4f0) from [<c0221ee8>] (usb_set_configuration+0x524/0x5b8) [<c0221ee8>] (usb_set_configuration+0x524/0x5b8) from [<c0229238>] (generic_probe+0x5c/0xa0) [<c0229238>] (generic_probe+0x5c/0xa0) from [<c0223230>] (usb_probe_device+0x48/0x54) [<c0223230>] (usb_probe_device+0x48/0x54) from [<c01da6e4>] (driver_probe_device+0xac/0x164) [<c01da6e4>] (driver_probe_device+0xac/0x164) from [<c01d9870>] (bus_for_each_drv+0x50/0x90) [<c01d9870>] (bus_for_each_drv+0x50/0x90) from [<c01da890>] (device_attach+0x50/0x68) [<c01da890>] (device_attach+0x50/0x68) from [<c01d97f4>] (bus_probe_device+0x28/0x54) [<c01d97f4>] (bus_probe_device+0x28/0x54) from [<c01d8470>] (device_add+0x3b4/0x4f0) [<c01d8470>] (device_add+0x3b4/0x4f0) from [<c021b6e0>] (usb_new_device+0x100/0x174) [<c021b6e0>] (usb_new_device+0x100/0x174) from [<c021c418>] (hub_thread+0x9dc/0xeec) [<c021c418>] (hub_thread+0x9dc/0xeec) from [<c00573dc>] (kthread+0x78/0x80) [<c00573dc>] (kthread+0x78/0x80) from [<c002ce88>] (kernel_thread_exit+0x0/0x8) Code: e1a01000 e59f000c eb005014 e3a03000 (e5833000) ---[ end trace 2a51e0dbab9e4fbe ]--- note: khubd[152] exited with preempt_count 1 Signed-off-by: miaofng <miaofng@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: Panel: prevent driver from calling misc_deregister twice on same ressourcePeter Huewe1-3/+10
This patch prevents the driver from calling misc_deregister twice on the same ressouce when unloading the driver. Unloading the driver without this patch results in a Kernel BUG like this: Panel driver version 0.9.5 registered on parport0 (io=0x378). BUG: unable to handle kernel paging request at 0000000000100108 IP: [<ffffffff803c02ee>] misc_deregister+0x2d/0x90 PGD 6caff067 PUD 762b7067 PMD 0 Oops: 0002 [#1] PREEMPT SMP last sysfs file: /sys/devices/platform/w83627hf.656/in8_input ... This patch fixes this issue, although maybe not in the best way possible :) linux version v2.6.32-rc1 - linus git tree, Di 29. Sep 01:10:18 CEST 2009 Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: hv: fix oops in vmbus - missing #includeMilan Dadok2-0/+2
Add missing #includes to make hv module compile successfull. Signed-off-by: Milan Dadok <milan@dadok.name> Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: hv: fix oops in vmbus - netvsc list_headMilan Dadok1-6/+4
Remove incorrect list_head usage. Variable of type list_head was used in some function's arguments as list item. Signed-off-by: Milan Dadok <milan@dadok.name> Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: hv: fix oops in vmbus - udev eventsMilan Dadok1-10/+4
Fix typos in udev event send and guid variables copy Signed-off-by: Milan Dadok <milan@dadok.name> Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: hv: Fix vmbus load hang caused by faulty data packingHank Janssen1-1/+1
Fix vmbus load hang caused by wrong data packing. Signed-off-by: Hank Janssen<hjanssen@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: hv: Fix null pointer error after vmbus loadingHaiyang Zhang1-13/+1
Fix null pointer error after vmbus loading. Remove code that checks for dev_name, the affected structure is kzalloc-ed prior to this routine, so it is always null at this stage. Signed-off-by: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Staging: hv TODO patchesStephen Hemminger1-0/+6
Update for more items Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com>. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30tty: Mark generic_serial users as BROKENAlan Cox2-6/+6
There isn't much else I can do with these. I can find no hardware for any of them and no users. The code is broken. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30xfs: fix xfs_quota remove errorRyota Yamauchi1-1/+1
The xfs_quota returns ENOSYS when remove command is executed. Reproducable with following steps. # mount -t xfs -o uquota /dev/sda7 /mnt/mp1 # xfs_quota -x -c off -c remove XFS_QUOTARM: Function not implemented. The remove command is allowed during quotaoff, but xfs_fs_set_xstate() checks whether quota is running, and it leads to ENOSYS. To solve this problem, add a check for X_QUOTARM. Signed-off-by: Ryota Yamauchi <r-yamauchi@vf.jp.nec.com> Signed-off-by: Utako Kusaka <u-kusaka@wm.jp.nec.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2009-10-30xfs: free temporary cursor in xfs_diallocEric Sandeen1-0/+1
Commit bd169565993b39b9b4b102cdac8b13e0a259ce2f seems to have a slight regression where this code path: if (!--searchdistance) { /* * Not in range - save last search * location and allocate a new inode */ ... goto newino; } doesn't free the temporary cursor (tcur) that got dup'd in this function. This leaks an item in the xfs_btree_cur zone, and it's caught on module unload: =========================================================== BUG xfs_btree_cur: Objects remaining on kmem_cache_close() ----------------------------------------------------------- It seems like maybe a single free at the end of the function might be cleaner, but for now put a del_cursor right in this code block similar to the handling in the rest of the function. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Christoph Hellwig <hch@lst.de>
2009-10-29ray_cs: Fix copy_from_user handlingAlan Cox1-1/+1
I've not touched the other stuff here but the word "locking" comes to mind. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29dpt_i2o: Fix up copy*userAlan Cox1-0/+4
Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29frv: fix check on unsigned in do_signal()Roel Kluin1-1/+1
syscallno is unsigned Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29mm: don't call pte_unmap() against an improper pteDaisuke Nishimura1-4/+7
There are some places where we do like: pte = pte_map(); do { (do break in some conditions) } while (pte++, ...); pte_unmap(pte - 1); But if the loop breaks at the first loop, pte_unmap() unmaps invalid pte. This patch is a fix for this problem. Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Reviewd-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29lis3: add support for the HP HDX 18Ian E. Morgan1-0/+1
I have an HP HDX 18 laptop, and noted that the configuration of the accelerometer needs to be x_inverted. Signed-off-by: Ian E. Morgan <penguin.wrangler@gmail.com> Signed-off-by: Éric Piel <eric.piel@tremplin-utc.net> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29lis3: add support for the HP EliteBook 8530wÉric Piel1-0/+1
Correct orientation for HP EliteBook 8530w. Reported-by: Jörgen Jonssson <jorgen.jonsson@saitek.se> Signed-off-by: Éric Piel <eric.piel@tremplin-utc.net> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29lis3: better support for hp 6730xPavel Herrmann1-1/+2
I have learned that the 6730b and 6730s have different accelerometer orientation, and have modified the driver accordingly (diff attached), while dropping the wild guess for AMD based 6735 having the same orientation as Intel based 6730 (this is not true for any other related series/family, thus is not probable for 673x). Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com> Signed-off-by: Éric Piel <eric.piel@tremplin-utc.net> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29cpuidle: always return with interrupts enabledKevin Hilman1-1/+4
In the case where cpuidle_idle_call() returns before changing state due to a need_resched(), it was returning with IRQs disabled. The idle path assumes that the platform specific idle code returns with interrupts enabled (although this too is undocumented AFAICT) and on ARM we have a WARN_ON(!(irqs_disabled()) when returning from the idle loop, so the user-visible effects were only a warning since interrupts were eventually re-enabled later. On x86, this same problem exists, but there is no WARN_ON() to detect it. As on ARM, the interrupts are eventually re-enabled, so I'm not sure of any actual bugs triggered by this. It's primarily a correctness/consistency fix. This patch ensures IRQs are (re)enabled before returning. Reported-by: Hemanth V <hemanthv@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Len Brown <len.brown@intel.com> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Tested-by: Martin Michlmayr <tbm@cyrius.com> Cc: <stable@kernel.org> [2.6.31.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29checkpatch: version 0.30Andy Whitcroft1-1/+1
Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29checkpatch: fix false EXPORT_SYMBOL warningAndy Whitcroft1-9/+39
Ingo reported that the following lines triggered a false warning, static struct lock_class_key rcu_lock_key; struct lockdep_map rcu_lock_map = STATIC_LOCKDEP_MAP_INIT("rcu_read_lock", &rcu_lock_key); EXPORT_SYMBOL_GPL(rcu_lock_map); from kernel/rcutree.c , and the false warning looked like this, WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable +EXPORT_SYMBOL_GPL(rcu_lock_map); We actually should be checking the statement before the EXPORT_* for a mention of the exported object, and complain where it is not there. [akpm@linux-foundation.org: coding-style fixes] Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reported-by: Daniel Walker <dwalker@fifo99.com> Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29checkpatch: fix __attribute__ matchingAndy Whitcroft1-2/+2
In the following code, union thread_union init_thread_union __attribute__((__section__(".data.init_task"))) = { INIT_THREAD_INFO(init_task) }; There is a non-conforming declaration. It should really be like the following, union thread_union init_thread_union __attribute__((__section__(".data.init_task"))) = { INIT_THREAD_INFO(init_task) }; However, checkpatch doesn't catch this right now because it doesn't correctly evaluate the "__attribute__". It is not at all clear that we care what preceeds an assignment style attribute when we find the open brace. Relax the test so we do not need to check the __attribute__. Reported-by: Daniel Walker <dwalker@fifo99.com> Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29checkpatch: fix false errors due to macro concatenationAndy Whitcroft1-1/+4
The macro concatenation (##) sequence can cause false errors when checking macro's. Checkpatch doesn't currently know about the operator. For example this line, + entry = (struct ftrace_raw_##call *)raw_data; \ is correct but it produces the following error, ERROR: need consistent spacing around '*' (ctx:WxB) + entry = (struct ftrace_raw_##call *)raw_data;\ ^ The line above doesn't have any spacing problems, and if you remove the macro concatenation sequence checkpatch doesn't give any errors. Extend identifier handling to include ## concatenation within the definition of an identifier. Reported-by: Daniel Walker <dwalker@fifo99.com> Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29checkpatch: update copyright datesAndy Whitcroft1-1/+1
Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29checkpatch: correctly stop scanning at the bottom of a hunkAndy Whitcroft1-1/+2
We are allowing context scanning checks to apply against the first line of context outside at the end of the hunk. This can lead to false matches to patch names leading to various perl warnings. Correctly stop at the bottom of the hunk. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29checkpatch: possible types -- prevent illegal modifiers being addedAndy Whitcroft1-8/+12
Prevent known non types being detected as modifiers. Ensure we do not look at any type which starts with a keyword. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29mm: fix sparsemem configurationRussell King1-1/+1
Currently, sparsemem is only available if EXPERIMENTAL is enabled. However, it hasn't ever been marked experimental. It's been about four years since sparsemem was merged, and we have platforms which depend on it; allow architectures to decide whether sparsemem should be the default memory model. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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