Commit graph

427622 commits

Author SHA1 Message Date
Li Zefan
13b546d962 jffs2: avoid soft-lockup in jffs2_reserve_space_gc()
We triggered soft-lockup under stress test on 2.6.34 kernel.

BUG: soft lockup - CPU#1 stuck for 60009ms! [lockf2.test:14488]
...
[<bf09a4d4>] (jffs2_do_reserve_space+0x420/0x440 [jffs2])
[<bf09a528>] (jffs2_reserve_space_gc+0x34/0x78 [jffs2])
[<bf0a1350>] (jffs2_garbage_collect_dnode.isra.3+0x264/0x478 [jffs2])
[<bf0a2078>] (jffs2_garbage_collect_pass+0x9c0/0xe4c [jffs2])
[<bf09a670>] (jffs2_reserve_space+0x104/0x2a8 [jffs2])
[<bf09dc48>] (jffs2_write_inode_range+0x5c/0x4d4 [jffs2])
[<bf097d8c>] (jffs2_write_end+0x198/0x2c0 [jffs2])
[<c00e00a4>] (generic_file_buffered_write+0x158/0x200)
[<c00e14f4>] (__generic_file_aio_write+0x3a4/0x414)
[<c00e15c0>] (generic_file_aio_write+0x5c/0xbc)
[<c012334c>] (do_sync_write+0x98/0xd4)
[<c0123a84>] (vfs_write+0xa8/0x150)
[<c0123d74>] (sys_write+0x3c/0xc0)]

Fix this by adding a cond_resched() in the while loop.

[akpm@linux-foundation.org: don't initialize `ret']
Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:28 -07:00
Li Zefan
3ead957844 jffs2: remove from wait queue after schedule()
@wait is a local variable, so if we don't remove it from the wait queue
list, later wake_up() may end up accessing invalid memory.

This was spotted by eyes.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:27 -07:00
Jean Delvare
f4f6a0be01 mtd: ts5500: Add dependency
There is no point in displaying the TS5500-specific driver entries if
TS5500 board support itself isn't enabled.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:27 -07:00
Dan Carpenter
c69dbbf333 mtd: nuc900_nand: NULL dereference in nuc900_nand_enable()
Instead of writing to "nand->reg + REG_FMICSR" we write to "REG_FMICSR"
which is NULL and not a valid register.

Fixes: 8bff82cbc3 ('mtd: add nand support for w90p910 (v2)')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:27 -07:00
Huang Shijie
ffdac6cdd9 mtd: nand: print out the right information for JEDEC compliant NAND
Check the chip->jedec_version, and print out the right information
for JEDEC compliant NAND.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:27 -07:00
Huang Shijie
913618185e mtd: nand: parse out the JEDEC compliant NAND
This patch adds the parsing code for the JEDEC compliant NAND.

Since we need the 0x40 as the column address, this patch also
makes the NAND_CMD_PARAM to use the 8-bit address only.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:27 -07:00
Huang Shijie
7852f8962f mtd: nand: add a helper to get the supported features for JEDEC
Add a helper to get the supported features for JEDEC compliant NAND.
Also add a macro JEDEC_FEATURE_16_BIT_BUS.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:26 -07:00
Huang Shijie
d94abba760 mtd: nand: add fields for JEDEC in nand_chip
Add the jedec_version field, and add an anonymous union which
contains the nand_onfi_params and nand_jedec_params.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:26 -07:00
Huang Shijie
afbfff03d6 mtd: nand: add the data structures for JEDEC parameter page
Create the nand_jedec_params{} and jedec_ecc_info{} according to
the JESD230A (Revision of JESD230, October 2012).

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:26 -07:00
Sachin Kamat
91e165030d mtd: nand: s3c2410: Trivial cleanup in header file
Commit 436d42c61c ("ARM: samsung: move platform_data definitions")
moved the files to the current location but forgot to remove the pointer
to its previous location. Clean it up. While at it also add the header
file protection macros appropriately.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:26 -07:00
Fabio Estevam
26fbf48b7a mtd: mxc_nand: Propagate the error if platform_get_irq() fails
Check the return value from platform_get_irq() and propagate it in the case of
error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:26 -07:00
Dan Carpenter
da22b89386 mtd: remove some duplicative checks
"rc" is an error code here, no need to check it a second time.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:25 -07:00
Nicolas Ferre
74414a945a mtd: atmel_nand: change log level
PIO fall back is not an issue, so don't make this much noise.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:25 -07:00
Kuninori Morimoto
bec44c45c2 mtd: m25p80: add support for the Spansion s25fl008k chip
Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:25 -07:00
Jingoo Han
c039bef73b mtd: gen_probe: Remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:25 -07:00
Jingoo Han
5c8b1fbb2e mtd: cfi: Remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:25 -07:00
Jingoo Han
e4eec195f3 mtd: onenand: Remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:24 -07:00
Jingoo Han
54f5a57e26 mtd: lpddr: Remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:24 -07:00
Jingoo Han
e61e4f40b1 mtd: plat-ram: Remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:24 -07:00
Jingoo Han
c00cb1b774 mtd: pmc551: Remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:24 -07:00
Jingoo Han
bb339decb3 mtd: spear_smi: Remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:24 -07:00
Jingoo Han
834fa8a565 mtd: devices: elm: Remove unnecessary OOM messages
The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:24 -07:00
Stefan Sørensen
0a21552a6e mtd: elm: Use correct check on return value of pm_runtime_get_sync
The ELM driver incorrectly reagard any non-zero return value from
pm_runtime_get_sync as an error, but it may return 1 if the device
was already active. Fix to only error when return value is negative.

Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:23 -07:00
Boris BREZILLON
60c3bc1fd6 mtd: nand: fix erroneous read_buf call in nand_write_page_raw_syndrome
read_buf is called in place of write_buf in the
nand_write_page_raw_syndrome function.

Signed-off-by: Boris BREZILLON <b.brezillon.dev@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:23 -07:00
Richard Weinberger
3d44dc235e mtd: nand: flctl: Add dependency on HAS_IOMEM and HAS_DMA
On archs like S390 or um this driver cannot build nor work.
Make it depend on HAS_IOMEM and HAS_DMA to bypass build failures.

drivers/built-in.o: In function `flctl_probe':
drivers/mtd/nand/sh_flctl.c:1097: undefined reference to `devm_ioremap_resource'
drivers/built-in.o: In function `flctl_dma_fifo0_transfer':
drivers/mtd/nand/sh_flctl.c:368: undefined reference to `dma_map_single'
drivers/mtd/nand/sh_flctl.c:407: undefined reference to `dma_unmap_single'

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:23 -07:00
Axel Lin
b2fda1296b mtd: m25p80: Use positive logic to check JEDEC ID
For slightly better readability.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:23 -07:00
Brian Norris
bd9c6e99b5 mtd: nand: don't use read_buf for 8-bit ONFI transfers
Use a repeated read_byte() instead of read_buf(), since for x16 buswidth
devices, we need to avoid the upper I/O[16:9] bits. See the following
commit for reference:

commit 05f7835975
Author: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date:   Thu Dec 5 22:22:04 2013 +0100

    mtd: nand: don't use {read,write}_buf for 8-bit transfers

Now, I think that all barriers to probing ONFI on x16 devices are
removed, so remove the check from nand_flash_detect_onfi().

Tested on 8-bit ONFI NAND (Micron MT29F32G08CBADAWP).

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-By: Pekon Gupta <pekon@ti.com>
2014-03-10 22:42:23 -07:00
Brian Norris
3dad2344e9 mtd: nand: force NAND_CMD_READID onto 8-bit bus
The NAND command helpers tend to automatically shift the column address
for x16 bus devices, since most commands expect a word address, not a
byte address. The Read ID command, however, expects an 8-bit address
(i.e., 0x00, 0x20, or 0x40 should not be translated to 0x00, 0x10, or
0x20).

This fixes the column address for a few drivers which imitate the
nand_base defaults. Note that I don't touch sh_flctl.c, since it already
handles this problem slightly differently (note its comment "READID is
always performed using an 8-bit bus").

I have not tested this patch, as I only have x8 parts up for testing at
this point. Hopefully that can change soon...

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-By: Pekon Gupta <pekon@ti.com>
2014-03-10 22:42:22 -07:00
Huang Shijie
55e571bd07 mtd: nand: add support for SanDisk SDTNRGAMA-008G
The datasheet does not tell us how to parse out the ID data,
so handle it as a full ID nand.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:22 -07:00
Huang Shijie
3f172cbdfb mtd: nand: remove the NAND_MAX_PAGESIZE/NAND_MAX_OOBSIZE
There is no reference to these two macros now.
Just remove them.

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:22 -07:00
Huang Shijie
f02ea4e6a4 mtd: nand: kill the the NAND_MAX_PAGESIZE/NAND_MAX_OOBSIZE for nand_buffers{}
The patch converts the arrays to buffer pointers for nand_buffers{}.

The cafe_nand.c is the only NAND_OWN_BUFFERS user which allocates
nand_buffers{} itself.

This patch disables the DMA for nand_scan_ident, and restores the DMA
status after we finish the nand_scan_ident. This way, we can get page
size and OOB size and use them to allocate cafe->dmabuf.

Since the cafe_nand.c uses the NAND_ECC_HW_SYNDROME ECC mode, we do not
allocate the buffers for @ecccalc and @ecccode.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:22 -07:00
Paul Gortmaker
3ea5b037e7 mtd: delete non-required instances of include <linux/init.h>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
[Brian: dropped one incorrect hunk]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:22 -07:00
Fabian Frederick
4bed207cd0 mtd: block2mtd: Add mutex_destroy
mutex_destroy added on each device in block2mtd_exit and add_device failure

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:21 -07:00
Alexander Sverdlin
6f6b9feece mtd: phram: Repair multiple instances support
Commit b2a2a84d35 (mtd: phram: dot not crash when
built-in and passing boot param) claims to be "based on Ville Herva's similar
patch to block2mtd" (c4e7fb3137), but it has
missed the crucial point of the original path: all these "if(n)def MODULE".
It has broken the possibility to create several phram instances when phram is
compiled as module. The possibility to add instances via /sys writes to
/sys/module/phram/parameters/phram was also broken with mentioned patch.
Proposed patch takes the idea of original block2mtd patch to its full extent.
Assumption "This function is always called before 'init_phram()'" was also
incorrect, so removed the comment. This patch effectively reverts also
b11ec57fc6 (mtd: phram: fix section mismatch for
phram_setup).

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nsn.com>
[Brian: remove static assigment = 0]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:21 -07:00
Dan Carpenter
b4c2330577 mtd: sm_ftl: heap corruption in sm_create_sysfs_attributes()
We always put a NUL terminator one space past the end of the "vendor"
buffer.  Walter Harms also pointed out that this should just use
kstrndup().

Fixes: 7d17c02a01 ('mtd: Add new SmartMedia/xD FTL')

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:21 -07:00
Geert Uytterhoeven
f5e00838e8 mtd: m25p80: Enable Dual SPI read transfers for s25fl256s1 and s25fl512s
Spansion s25fl256s1 and s25fl512s support Dual SPI transfers, hence set the
M25P80_DUAL_READ flag.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:20 -07:00
Geert Uytterhoeven
dbbafb7423 mtd: m25p80: Add dual read support
Add support for Dual SPI read transfers, which is supported by some
Spansion SPI FLASHes.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10 22:42:20 -07:00
Linus Torvalds
fa389e2202 Linux 3.14-rc6 2014-03-09 19:41:57 -07:00
Linus Torvalds
79e615420c ARM: SoC fixes for 3.14-rc
A collection of fixes for ARM platforms. A little large due to us missing to
 do one last week, but there's nothing in particular here that is in itself
 large and scary.
 
 Mostly a handful of smaller fixes all over the place. The majority is made
 up of fixes for OMAP, but there are a few for others as well. In particular,
 there was a decision to rename a binding for the Broadcom pinctrl block that
 we need to go in before the final release since we then treat it as ABI.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from from Olof Johansson:
 "A collection of fixes for ARM platforms.  A little large due to us
  missing to do one last week, but there's nothing in particular here
  that is in itself large and scary.

  Mostly a handful of smaller fixes all over the place.  The majority is
  made up of fixes for OMAP, but there are a few for others as well.  In
  particular, there was a decision to rename a binding for the Broadcom
  pinctrl block that we need to go in before the final release since we
  then treat it as ABI"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: omap3-gta04: Add ti,omap36xx to compatible property to avoid problems with booting
  ARM: tegra: add LED options back into tegra_defconfig
  ARM: dts: omap3-igep: fix boot fail due wrong compatible match
  ARM: OMAP3: Fix pinctrl interrupts for core2
  pinctrl: Rename Broadcom Capri pinctrl binding
  pinctrl: refer to updated dt binding string.
  Update dtsi with new pinctrl compatible string
  ARM: OMAP: Kill warning in CPUIDLE code with !CONFIG_SMP
  ARM: OMAP2+: Add support for thumb mode on DT booted N900
  ARM: OMAP2+: clock: fix clkoutx2 with CLK_SET_RATE_PARENT
  ARM: OMAP4: hwmod: Fix SOFTRESET logic for OMAP4
  ARM: DRA7: hwmod data: correct the sysc data for spinlock
  ARM: OMAP5: PRM: Fix reboot handling
  ARM: sunxi: dt: Change the touchscreen compatibles
  ARM: sun7i: dt: Fix interrupt trigger types
2014-03-09 19:27:31 -07:00
Linus Torvalds
fe9ea91cde NFS client bugfixes for Linux 3.14
Highlights include:
 
 - Fix another nfs4_sequence corruptor in RELEASE_LOCKOWNER
 - Fix an Oopsable delegation callback race
 - Fix another bad stateid infinite loop
 - Fail the data server I/O is the stateid represents a lost lock
 - Fix an Oopsable sunrpc trace event
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Merge tag 'nfs-for-3.14-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:
 "Highlights include:

   - Fix another nfs4_sequence corruptor in RELEASE_LOCKOWNER
   - Fix an Oopsable delegation callback race
   - Fix another bad stateid infinite loop
   - Fail the data server I/O is the stateid represents a lost lock
   - Fix an Oopsable sunrpc trace event"

* tag 'nfs-for-3.14-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  SUNRPC: Fix oops when trace sunrpc_task events in nfs client
  NFSv4: Fail the truncate() if the lock/open stateid is invalid
  NFSv4.1 Fail data server I/O if stateid represents a lost lock
  NFSv4: Fix the return value of nfs4_select_rw_stateid
  NFSv4: nfs4_stateid_is_current should return 'true' for an invalid stateid
  NFS: Fix a delegation callback race
  NFSv4: Fix another nfs4_sequence corruptor
2014-03-09 19:17:39 -07:00
Linus Torvalds
cf8bf7cd13 USB fixes for 3.14-rc6
Here are 4 USB fixes for your current tree.
 
 Two of them are reverts to hopefully resolve the nasty XHCI regressions
 we have been having on some types of devices.  The other two are quirks
 for some Logitech video devices.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are 4 USB fixes for your current tree.

  Two of them are reverts to hopefully resolve the nasty XHCI
  regressions we have been having on some types of devices.  The other
  two are quirks for some Logitech video devices"

* tag 'usb-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  Revert "USBNET: ax88179_178a: enable tso if usb host supports sg dma"
  Revert "xhci 1.0: Limit arbitrarily-aligned scatter gather."
  usb: Make DELAY_INIT quirk wait 100ms between Get Configuration requests
  usb: Add device quirk for Logitech HD Pro Webcams C920 and C930e
2014-03-09 18:59:14 -07:00
Linus Torvalds
a491ce72f8 Staging driver tree fix for 3.14-rc6
Here is a single staging driver fix for your tree.
 
 It resolves an issue with arbritary writes to memory if a specific
 driver is loaded.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver tree fix from Greg KH:
 "Here is a single staging driver fix for your tree.

  It resolves an issue with arbritary writes to memory if a specific
  driver is loaded"

* tag 'staging-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging/cxt1e1/linux.c: Correct arbitrary memory write in c4_ioctl()
2014-03-09 18:58:27 -07:00
David Howells
979e0d7465 KEYS: Make the keyring cycle detector ignore other keyrings of the same name
This fixes CVE-2014-0102.

The following command sequence produces an oops:

	keyctl new_session
	i=`keyctl newring _ses @s`
	keyctl link @s $i

The problem is that search_nested_keyrings() sees two keyrings that have
matching type and description, so keyring_compare_object() returns true.
s_n_k() then passes the key to the iterator function -
keyring_detect_cycle_iterator() - which *should* check to see whether this is
the keyring of interest, not just one with the same name.

Because assoc_array_find() will return one and only one match, I assumed that
the iterator function would only see an exact match or never be called - but
the iterator isn't only called from assoc_array_find()...

The oops looks something like this:

	kernel BUG at /data/fs/linux-2.6-fscache/security/keys/keyring.c:1003!
	invalid opcode: 0000 [#1] SMP
	...
	RIP: keyring_detect_cycle_iterator+0xe/0x1f
	...
	Call Trace:
	  search_nested_keyrings+0x76/0x2aa
	  __key_link_check_live_key+0x50/0x5f
	  key_link+0x4e/0x85
	  keyctl_keyring_link+0x60/0x81
	  SyS_keyctl+0x65/0xe4
	  tracesys+0xdd/0xe2

The fix is to make keyring_detect_cycle_iterator() check that the key it
has is the key it was actually looking for rather than calling BUG_ON().

A testcase has been included in the keyutils testsuite for this:

	http://git.kernel.org/cgit/linux/kernel/git/dhowells/keyutils.git/commit/?id=891f3365d07f1996778ade0e3428f01878a1790b

Reported-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-03-09 18:57:18 -07:00
Linus Torvalds
1dc3217dad Merge branch 'for-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal fixes from Zhang Rui:
 "Specifics:

   - Update the help text of INT3403 Thermal driver, which was not
     friendly to users.  From Zhang Rui.

   - The "type" sysfs attribute of x86_pkg_temp_thermal registered
     thermal zones includes an instance number, which makes the
     thermal-to-hwmon bridge fails to group them all in a single hwmon
     device.  Fixed by Jean Delvare.

   - The hwmon device registered by x86_pkg_temp_thermal driver is
     redundant because the temperature value reported by
     x86_pkg_temp_thermal is already reported by the coretemp driver.
     Fixed by Jean Delvare.

   - Fix a problem that the cooling device can not be updated properly
     if it is initialized at max cooling state.  From Ni Wade.

   - Fix a problem that OF registered thermal zones are running without
     thermal governors.  From Zhang Rui.

   - Commit beeb5a1e0e ("thermal: rcar-thermal: Enable driver
     compilation with COMPILE_TEST") broke build on archs wihout io
     memory.  Thus make it depend on HAS_IOMEM to bypass build failures.
     Fixed by Richard Weinberger"

* 'for-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  Thermal: thermal zone governor fix
  Thermal: Allow first update of cooling device state
  thermal,rcar_thermal: Add dependency on HAS_IOMEM
  x86_pkg_temp_thermal: Fix the thermal zone type
  x86_pkg_temp_thermal: Do not expose as a hwmon device
  Thermal: update INT3404 thermal driver help text
2014-03-09 13:52:53 -07:00
Linus Torvalds
4aa41ba7f7 spi: Fixes for v3.14
A scattering of driver specific fixes here.  The fixes from Axel cover
 bitrot in apparently unmaintained drivers, the at79 bug is fixing a
 glitch on /CS during initialisation of some devices which could break
 some slaves and the remainder are fixes for recently introduced bugs
 from the past release cycle or so.
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Merge tag 'spi-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A scattering of driver specific fixes here.

  The fixes from Axel cover bitrot in apparently unmaintained drivers,
  the at79 bug is fixing a glitch on /CS during initialisation of some
  devices which could break some slaves and the remainder are fixes for
  recently introduced bugs from the past release cycle or so"

* tag 'spi-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: atmel: add missing spi_master_{resume,suspend} calls to PM callbacks
  spi: coldfire-qspi: Fix getting correct address for *mcfqspi
  spi: fsl-dspi: Fix getting correct address for master
  spi: spi-ath79: fix initial GPIO CS line setup
  spi: spi-imx: spi_imx_remove: do not disable disabled clocks
  spi-topcliff-pch: Fix probing when DMA mode is used
  spi/topcliff-pch: Fix DMA channel
2014-03-09 13:51:47 -07:00
Linus Torvalds
66a523db70 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "This series addresses a number of outstanding issues wrt to active I/O
  shutdown using iser-target.  This includes:

   - Fix a long standing tpg_state bug where a tpg could be referenced
     during explicit shutdown (v3.1+ stable)
   - Use list_del_init for iscsi_cmd->i_conn_node so list_empty checks
     work as expected (v3.10+ stable)
   - Fix a isert_conn->state related hung task bug + ensure outstanding
     I/O completes during session shutdown.  (v3.10+ stable)
   - Fix isert_conn->post_send_buf_count accounting for RDMA READ/WRITEs
     (v3.10+ stable)
   - Ignore FRWR completions during active I/O shutdown (v3.12+ stable)
   - Fix command leakage for interrupt coalescing during active I/O
     shutdown (v3.13+ stable)

  Also included is another DIF emulation fix from Sagi specific to
  v3.14-rc code"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  Target/sbc: Fix sbc_copy_prot for offset scatters
  iser-target: Fix command leak for tx_desc->comp_llnode_batch
  iser-target: Ignore completions for FRWRs in isert_cq_tx_work
  iser-target: Fix post_send_buf_count for RDMA READ/WRITE
  iscsi/iser-target: Fix isert_conn->state hung shutdown issues
  iscsi/iser-target: Use list_del_init for ->i_conn_node
  iscsi-target: Fix iscsit_get_tpg_from_np tpg_state bug
2014-03-09 13:50:14 -07:00
Rafael J. Wysocki
4c7b70406e Revert "ACPI / sleep: pm_power_off needs more sanity checks to be installed"
Revert commit 3130497f5b ("ACPI / sleep: pm_power_off needs more
sanity checks to be installed") that breaks power ACPI power off on a
lot of systems, because it checks wrong registers.

Fixes: 3130497f5b ("ACPI / sleep: pm_power_off needs more sanity checks to be installed")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-03-09 13:48:36 -07:00
Olof Johansson
10554647b4 Two omap3430 vs 3630 device tree regression fixes for
issues booting 3430 based boards.
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Merge tag 'omap-for-v3.14/fixes-dt-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:

Two omap3430 vs 3630 device tree regression fixes for
issues booting 3430 based boards.

* tag 'omap-for-v3.14/fixes-dt-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: omap3-gta04: Add ti,omap36xx to compatible property to avoid problems with booting
  ARM: dts: omap3-igep: fix boot fail due wrong compatible match

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-03-08 22:56:31 -08:00
Olof Johansson
4058f76247 Rename pinctrl dt binding to restore consistency with
other bcm mobile bindings.
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Merge tag 'bcm-for-3.14-pinctrl-reduced-rename' of git://github.com/broadcom/bcm11351 into fixes

Merge 'bcm pinctrl rename' From Christin Daudt:

Rename pinctrl dt binding to restore consistency with other bcm mobile
bindings.

* tag 'bcm-for-3.14-pinctrl-reduced-rename' of git://github.com/broadcom/bcm11351:
  pinctrl: Rename Broadcom Capri pinctrl binding
  pinctrl: refer to updated dt binding string.
  Update dtsi with new pinctrl compatible string
  + Linux 3.14-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-03-08 22:11:16 -08:00
Olof Johansson
614cd4a4ac Two fixes for device trees additions that got added in 3.14. One fixes the
interrupt types of some IPs, the other fixes up a compatible that got
 introduced during 3.14
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Merge tag 'sunxi-fixes-for-3.14' of https://github.com/mripard/linux into fixes

Allwinner fixes from Maxime Ripard:

Two fixes for device trees additions that got added in 3.14. One fixes the
interrupt types of some IPs, the other fixes up a compatible that got
introduced during 3.14

* tag 'sunxi-fixes-for-3.14' of https://github.com/mripard/linux:
  ARM: sunxi: dt: Change the touchscreen compatibles
  ARM: sun7i: dt: Fix interrupt trigger types

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-03-08 22:09:23 -08:00