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2014-12-03Btrfs, scrub: repair the common data on RAID5/6 if it is corruptedMiao Xie
This patch implement the RAID5/6 common data repair function, the implementation is similar to the scrub on the other RAID such as RAID1, the differentia is that we don't read the data from the mirror, we use the data repair function of RAID5/6. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
2014-12-03Btrfs, raid56: don't change bbio and raid_mapMiao Xie
Because we will reuse bbio and raid_map during the scrub later, it is better that we don't change any variant of bbio and don't free it at the end of IO request. So we introduced similar variants into the raid bio, and don't access those bbio's variants any more. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
2014-12-03Btrfs: remove unnecessary code of stripe_index assignment in __btrfs_map_blockZhao Lei
stripe_index's value was set again in latter line: stripe_index = 0; Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.cz>
2014-12-03Btrfs: remove noused bbio_ret in __btrfs_map_block in conditionZhao Lei
bbio_ret in this condition is always !NULL because previous code already have a check-and-skip: 4908 if (!bbio_ret) 4909 goto out; Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.cz>
2014-12-03intel_pstate: skip this driver if Sun server has _PPC methodethan zhao
Oracle Sun X86 servers have dynamic power capping capability that works via ACPI _PPC method etc, so skip loading this driver if Sun server has ACPI _PPC enabled. Signed-off-by: Ethan Zhao <ethan.zhao@oracle.com> Tested-by: Linda Knippers <linda.knippers@hp.com> Acked-by: Kristen Carlson Accardi <kristen@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-12-02mm/vmpressure.c: fix race in vmpressure_work_fn()Andrew Morton
In some android devices, there will be a "divide by zero" exception. vmpr->scanned could be zero before spin_lock(&vmpr->sr_lock). Addresses https://bugzilla.kernel.org/show_bug.cgi?id=88051 [akpm@linux-foundation.org: neaten] Reported-by: ji_ang <ji_ang@163.com> Cc: Anton Vorontsov <anton.vorontsov@linaro.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-02mm: frontswap: invalidate expired data on a dup-store failureWeijie Yang
If a frontswap dup-store failed, it should invalidate the expired page in the backend, or it could trigger some data corruption issue. Such as: 1. use zswap as the frontswap backend with writeback feature 2. store a swap page(version_1) to entry A, success 3. dup-store a newer page(version_2) to the same entry A, fail 4. use __swap_writepage() write version_2 page to swapfile, success 5. zswap do shrink, writeback version_1 page to swapfile 6. version_2 page is overwrited by version_1, data corrupt. This patch fixes this issue by invalidating expired data immediately when meet a dup-store failure. Signed-off-by: Weijie Yang <weijie.yang@samsung.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Seth Jennings <sjennings@variantweb.net> Cc: Dan Streetman <ddstreet@ieee.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Bob Liu <bob.liu@oracle.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-02mm: do not overwrite reserved pages counter at show_mem()Rafael Aquini
Minor fixlet to perform the reserved pages counter aggregation for each node, at show_mem() Signed-off-by: Rafael Aquini <aquini@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Johannes Weiner <jweiner@redhat.com> Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-03Merge branch 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie
into drm-fixes A few more small fixes for 3.18. * 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with 3.18.0-rc6 drm/radeon: Ignore RADEON_GEM_GTT_WC on 32-bit x86 drm/radeon: sync all BOs involved in a CS v2
2014-12-02Staging: slicoss: Fix long line issues in slicoss.cSean Cleator
A patch to the slicoss.c file to fix some of the long line issues found by the checkpath.pl tool Signed-off-by: Sean Cleator <seancleator@hotmail.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8712: remove unnecessary else after returnMike Krinkin
Fixes checkpatch warning: WARNING: else is not generally useful after a break or return Signed-off-by: Mike Krinkin <krinkin.m.u@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: comedi: change some printk calls to pr_errChase Southwood
There are a handful of calls to printk in ni_stc.h without specified log levels, as well as one in ni_mio_common.c. This patch converts these calls to pr_err() instead, so that they are now explicitly log level ERR. Signed-off-by: Chase Southwood <chase.southwood@gmail.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: hal: Removed the extra semicolonAnjana Sasindran
This patch fix the checkpatch.pl warning: WARNING: Statement terminations use 1 semicolon Signed-off-by: Anjana Sasindran <anjanasasindran123@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02lustre: Deletion of unnecessary checks before three function callsMarkus Elfring
The functions free_ll_remote_perm(), free_rmtperm_hash() and iput() test whether their argument is NULL and then return immediately. Thus the test around their calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: lustre: fix sparse warnings: static function declarationVincenzo Scotti
Signed-off-by: Vincenzo Scotti <vinc94@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: lustre: fixed sparse warnings related to static declarationsJanet Liu
drivers/staging/lustre/lustre/mdc/mdc_request.c:63:5: warning: symbol 'mdc_unpack_capa' was not declared. Should it be static? drivers/staging/lustre/lustre/mdc/mdc_request.c:150:5: warning: symbol 'mdc_getstatus' was not declared. Should it be static? drivers/staging/lustre/lustre/mdc/mdc_request.c:217:5: warning: symbol 'mdc_getattr' was not declared. Should it be static? drivers/staging/lustre/lustre/mdc/mdc_request.c:261:5: warning: symbol 'mdc_getattr_name' was not declared. Should it be static? drivers/staging/lustre/lustre/mdc/mdc_request.c:444:5: warning: symbol 'mdc_setxattr' was not declared. Should it be static? drivers/staging/lustre/lustre/mdc/mdc_request.c:455:5: warning: symbol 'mdc_getxattr' was not declared. Should it be static? Signed-off-by: Janet Liu <jianhua.ljh@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: unisys: remove duplicate headerSudip Mukherjee
these header files were included multiple times Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: unisys: remove unneeded structureJulia Lawall
Delete a local structure that is only used to be initialized by memset. A semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x,i; @@ { ... when any -struct i x; <+... when != x - memset(&x,...); ...+> } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: ft1000 : replace __attribute ((__packed__) with __packedGeoff Darst
Replace two instances of __attribute ((__packed__) with __packed macro to address the warning found by the checkpatch.pl tool. Signed-off-by: Geoff Darst <geoffda@comcast.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02drivers: staging: rtl8192e: Include "asm/unaligned.h" instead of ↵Chen Gang
"access_ok.h" in "rtl819x_BAProc.c" "asm/unaligned.h" is more generic than "access_ok.h", and it may include "access_ok.h", so need use it instead of "access_ok.h". During building, "rtllib.h" has already include "asm/unaligned.h", so will cause building issue. The related error (with allmodconfig under parisc): CC [M] drivers/staging/rtl8192e/rtl819x_BAProc.o In file included from ./arch/parisc/include/asm/unaligned.h:4:0, from include/linux/ieee80211.h:22, from include/net/lib80211.h:31, from drivers/staging/rtl8192e/rtllib.h:45, from drivers/staging/rtl8192e/rtl819x_BAProc.c:20: include/linux/unaligned/be_struct.h:6:19: error: redefinition of 'get_unaligned_be16' static inline u16 get_unaligned_be16(const void *p) ^ In file included from drivers/staging/rtl8192e/rtl819x_BAProc.c:19:0: include/linux/unaligned/access_ok.h:22:19: note: previous definition of 'get_unaligned_be16' was here static inline u16 get_unaligned_be16(const void *p) ^ ... For independent from other include files, still suggest it includes "asm/unaligned.h" too. And also include "asm/byteorder.h" since it is the first include file". Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02Drivers:staging:rtl8192e: Fixed checkpatch warningAthira Lekshmi
Fixed checkpatch warning: WARNING: space prohibited before semicolon Signed-off-by: Athira Lekshmi <andnlnbn18@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02Drivers:staging:clocking-wizard: Added a newlineAthira Sharikkal
Fixed checkpatch warning: Missing a newline after declarations Signed-off-by: Athira Sharikkal <athirasnamby@gmail.com> Acked-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: clocking-wizard: check for a valid clk_name pointerDevendra Naga
The clk_name gets the return value from kasprintf (part of which does the allocation of the returned buffer). So check the return pointer before using it for clk_register_fixed_factor. Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Reviewed-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Hal_InitPGData() avoid unnecessary typecastsJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: _DisableAnalog(): Avoid zero-init variables unnecessarilyJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Remove unnecessary wrapper _ResetDigitalProcedure1()Jes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: _ResetDigitalProcedure1_92C() reduce code obfuscationJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Remove unnecessary wrapper _DisableRFAFEAndResetBB()Jes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: _DisableRFAFEAndResetBB8192C(): Reduce code obfuscationJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: _DisableRFAFEAndResetBB8192C(): Use correct enum valueJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Fold _BlockWrite() into _PageWrite()Jes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: rtl8723a_update_ramask(): Fix up some bad formattingJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Remove unused slimcombo debug flagJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: rtl8723au_read_interrupt() addr argument wasn't usedJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: rtl8723au_read_port() addr argument wasn't usedJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Use a local variable to state if MAC was already powered onJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: phy_SsPwrSwitch92CU() was never called with bRegSSPwrLvl ↵Jes Sorensen
!= 1 Get rid of the alternate code paths since these weren't used and have never been tested according to the in-code comments. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Fold _ps_open_RF23a() into rtl8723au_hal_init()Jes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Do not write garbage to REG_SPS0_CTRLJes Sorensen
Use a separate variable to hold the value of REG_SPS0_CTRL to avoid it getting clobbered and writing out garbage to it, for the case of eRFPowerState == rf_sleep/rf_off && bRegSSPwrLvl == 1. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Remove no-op _InitHWLed() functionJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Fold _InitNormalChipQueuePriority() into ↵Jes Sorensen
_InitQueuePriority() Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: _InitPowerOn(): Don't zero init variables unnecessarilyJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Fold rtl8723au_set_queue_pipe_mapping into ↵Jes Sorensen
rtl8723au_chip_configure() Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Remove write only struct hal_data_8723a.interfaceIndexJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Remove unused rtw_sctx_done23a() functionJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Eliminate do_queue_select() functionsJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Fold rtw_ack_tx_done23a() into rtw23a_sctx_done_err()Jes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8732au: Partial clean up of rtl8723a_rf6052.cJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: Fold ODM_PhyStatusQuery23a_92CSeries() into ↵Jes Sorensen
ODM_PhyStatusQuery23a() Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02staging: rtl8723au: recv_priv->rssi is not used for anythingJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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