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2012-01-03vfs: for usbfs, etc. internal vfsmounts ->mnt_sb->s_root == ->mnt_rootAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03get rid of timer in kern/acct.cAl Viro
... and clean it up a bit, while we are at it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: pipe.c is really non-modularAl Viro
... so no exitcalls there. Not much would work if pipe(2) would stop working, after all... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: fix the stupidity with i_dentry in inode destructorsAl Viro
Seeing that just about every destructor got that INIT_LIST_HEAD() copied into it, there is no point whatsoever keeping this INIT_LIST_HEAD in inode_init_once(); the cost of taking it into inode_init_always() will be negligible for pipes and sockets and negative for everything else. Not to mention the removal of boilerplate code from ->destroy_inode() instances... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: mnt_drop_write_file()Al Viro
new helper (wrapper around mnt_drop_write()) to be used in pair with mnt_want_write_file(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03constify seq_file stuffAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: make do_kern_mount() staticAl Viro
the only user outside of fs/namespace.c has died Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: convert fs_supers to hlistAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03make nfs_follow_remote_path() handle ERR_PTR() passed as root_mntAl Viro
... rather than duplicating that in callers Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: kill ->mnt_devname use in afs printksAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03btrfs, nfs, apparmor: don't pull mnt_namespace.h for no reason...Al Viro
it's not needed anymore; we used to, back when we had to do mount_subtree() by hand, complete with put_mnt_ns() in it. No more... Apparmor didn't need it since the __d_path() fix. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03tomoyo: stop including hell knows whatAl Viro
tomoyo/realpath.c needs exactly one include - that of common.h. It pulls everything the thing needs, without doing ridiculous garbage such as trying to include ../../fs/internal.h. If that alone doesn't scream "layering violation", I don't know what does; and these days it's all for nothing, since it fortunately does not use any symbols defined in there... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: dentry_reset_mounted() doesn't use vfsmount argumentAl Viro
lose it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03unexport put_mnt_ns(), make create_mnt_ns() static outrightAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: add missing parens in pnode.h macrosAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: more mnt_parent cleanupsAl Viro
a) mount --move is checking that ->mnt_parent is non-NULL before looking if that parent happens to be shared; ->mnt_parent is never NULL and it's not even an misspelled !mnt_has_parent() b) pivot_root open-codes is_path_reachable(), poorly. c) so does path_is_under(), while we are at it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: new internal helper: mnt_has_parent(mnt)Al Viro
vfsmounts have ->mnt_parent pointing either to a different vfsmount or to itself; it's never NULL and termination condition in loops traversing the tree towards root is mnt == mnt->mnt_parent. At least one place (see the next patch) is confused about what's going on; let's add an explicit helper checking it right way and use it in all places where we need it. Not that there had been too many, but... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: kill pointless helpers in namespace.cAl Viro
mnt_{inc,dec}_count() is not cleaner than doing the corresponding mnt_add_count() directly and mnt_set_count() is not used at all. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03new helpers: fh_{want,drop}_write()Al Viro
A bunch of places in nfsd does mnt_{want,drop}_write on vfsmount of export of given fhandle. Switched to obvious inlined helpers... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03switch a bunch of places to mnt_want_write_file()Al Viro
it's both faster (in case when file has been opened for write) and cleaner. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03trim fs/internal.hAl Viro
some stuff in there can actually become static; some belongs to pnode.h as it's a private interface between namespace.c and pnode.c... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03pull manipulations of rpc_cred inside alloc_nfs_open_context()Al Viro
No need to duplicate them in both callers; make it return ERR_PTR(-ENOMEM) on allocation failure instead of NULL and it'll be able to report rpc_lookup_cred() failures just fine. Callers are much happier that way... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03cifs: fix bad buffer length check in coalesce_t2Jeff Layton
The current check looks to see if the RFC1002 length is larger than CIFSMaxBufSize, and fails if it is. The buffer is actually larger than that by MAX_CIFS_HDR_SIZE. This bug has been around for a long time, but the fact that we used to cap the clients MaxBufferSize at the same level as the server tended to paper over it. Commit c974befa changed that however and caused this bug to bite in more cases. Reported-and-Tested-by: Konstantinos Skarlatos <k.skarlatos@gmail.com> Tested-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-01-04Remove Telechips ARM subarch from MAINTAINERSHans J. Koch
The ARM subarchitecture for Telechips SoCs isi being completely removed, so there's no need for a MAINTAINERS entry. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Harry Sievers <hsievers@csselectronic.com> Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
2012-01-03Revert "rtc: Disable the alarm in the hardware"Linus Torvalds
This reverts commit c0afabd3d553c521e003779c127143ffde55a16f. It causes failures on Toshiba laptops - instead of disabling the alarm, it actually seems to enable it on the affected laptops, resulting in (for example) the laptop powering on automatically five minutes after shutdown. There's a patch for it that appears to work for at least some people, but it's too late to play around with this, so revert for now and try again in the next merge window. See for example http://bugs.debian.org/652869 Reported-and-bisected-by: Andreas Friedrich <afrie@gmx.net> (Toshiba Tecra) Reported-by: Antonio-M. Corbi Bellot <antonio.corbi@ua.es> (Toshiba Portege R500) Reported-by: Marco Santos <marco.santos@waynext.com> (Toshiba Portege Z830) Reported-by: Christophe Vu-Brugier <cvubrugier@yahoo.fr> (Toshiba Portege R830) Cc: Jonathan Nieder <jrnieder@gmail.com> Requested-by: John Stultz <john.stultz@linaro.org> Cc: stable@kernel.org # for the versions that applied this Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-03net/smsc911x: Check if PHY is in operational mode before software resetJavier Martinez Canillas
SMSC LAN generation 4 chips integrate an IEEE 802.3 ethernet physical layer. The PHY driver for this integrated chip enable an energy detect power-down mode. When the PHY is in a power-down mode, it prevents the MAC portion chip to be software reseted. That means that if we compile the kernel with the configuration option SMSC_PHY enabled and try to bring the network interface up without an cable plug-ed the PHY will be in a low power mode and the software reset will fail returning -EIO to user-space: root@igep00x0:~# ifconfig eth0 up ifconfig: SIOCSIFFLAGS: Input/output error This patch disable the energy detect power-down mode before trying to software reset the LAN chip and re-enables after it was reseted successfully. Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03net: phy: smsc: Move SMSC PHY constants to <linux/smscphy.h>Javier Martinez Canillas
SMSC generation 4 LAN chips integrate an IEEE 802.3 ethernet physical layer. The ethernet driver for this family of devices needs to access the SMSC PHY registers and bit-fields. So, this patch moves these constants to a place where it can be used for both the PHY and LAN drivers. Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03USB: remove dead code from suspend/resume pathOliver Neukum
If a driver does not support the suspend/resume callbacks it will be forcibly disconnected. There is no reason to check for support of the callbacks after that. Signed-off-by: Oliver Neukum <oneukum@suse.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-03USB: add quirk for another cameraOliver Neukum
The Guillemot Webcam Hercules Dualpix Exchange camera has been reported with a second ID. Signed-off-by: Oliver Neukum <oneukum@suse.de> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-03drivers: usb: wusbcore: Fix dependency for USB_WUSBFabio Estevam
Fix the following warning: warning: (USB_WUSB) selects UWB which has unmet direct dependencies (EXPERIMENTAL && PCI) Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-03serial: add support for 400 and 800 v3 series Titan cardsYegor Yefremov
add support for 400Hv3, 410Hv3 and 800Hv3 Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-03debugfs: add missing #ifdef HAS_IOMEMHeiko Carstens
"debugfs: add tools to printk 32-bit registers" adds new functions which rely on IOMEM functionality which is not present on all architectures and therefore result in compile errors: fs/debugfs/file.c: In function 'debugfs_print_regs32': fs/debugfs/file.c:561:7: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration] Add an #ifdef CONFIG_HAS_IOMEM to fix this Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-03hung_task: fix false positive during vforkMandeep Singh Baines
vfork parent uninterruptibly and unkillably waits for its child to exec/exit. This wait is of unbounded length. Ignore such waits in the hung_task detector. Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Reported-by: Sasha Levin <levinsasha928@gmail.com> LKML-Reference: <1325344394.28904.43.camel@lappy> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: John Kacur <jkacur@redhat.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-03security: Fix security_old_inode_init_security() when CONFIG_SECURITY is not setJan Kara
Commit 1e39f384bb01 ("evm: fix build problems") makes the stub version of security_old_inode_init_security() return 0 when CONFIG_SECURITY is not set. But that makes callers such as reiserfs_security_init() assume that security_old_inode_init_security() has set name, value, and len arguments properly - but security_old_inode_init_security() left them uninitialized which then results in interesting failures. Revert security_old_inode_init_security() to the old behavior of returning EOPNOTSUPP since both callers (reiserfs and ocfs2) handle this just fine. [ Also fixed the S_PRIVATE(inode) case of the actual non-stub security_old_inode_init_security() function to return EOPNOTSUPP for the same reason, as pointed out by Mimi Zohar. It got incorrectly changed to match the new function in commit fb88c2b6cbb1: "evm: fix security/security_old_init_security return code". - Linus ] Reported-by: Jorge Bastos <mysql.jorge@decimal.pt> Acked-by: James Morris <jmorris@namei.org> Acked-by: Mimi Zohar <zohar@us.ibm.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-03drm/i915: only set the intel_crtc DPMS mode to on if the mode set succeededJesse Barnes
If it failed, leave it in the "off" state. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@keithp.com>
2012-01-03drm/i915: don't disable a PCH DPLL that's in useJesse Barnes
If a PCH pipe PLL is being used by transcoder C, don't disable it. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@keithp.com>
2012-01-03mfd/db8500-prcmu: remove support for early silicon revisionsLinus Walleij
The DB8500 ED (Early Drop) and V1 are only available inside of ST-Ericsson or partners, we have actively replaced and scrapped these prototypes. All Nova products on the open market (such as the Snowball board) are based on V2 and later ASIC variants. So let us focus on supporting the silicon that will be used and delete this to get a clear overview. Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-03Merge branch 'imx/board' into next/boardsArnd Bergmann
* imx/board: (4 commits) Enable 32 bit flash support for iMX21ADS board ARM: mx31pdk: Add MC13783 RTC support iomux-mx25: configuration to support CSPI3 on CSI pins MX1:apf9328: Add i2c support Updated to v3.2-rc6, conflicts: arch/arm/kernel/setup.c
2012-01-03Merge branch 'imx-features-assorted' of ↵Arnd Bergmann
git://git.pengutronix.de/git/imx/linux-2.6 into imx/board
2012-01-03Merge branch 'imx/clk' into next/clkArnd Bergmann
* imx/clk: ARM: mxs: select HAVE_CLK_PREPARE for clock clk: add config option HAVE_CLK_PREPARE into Kconfig ASoC: mxs-saif: convert to clk_prepare/clk_unprepare video: mxsfb: convert to clk_prepare/clk_unprepare serial: mxs-auart: convert to clk_prepare/clk_unprepare net: flexcan: convert to clk_prepare/clk_unprepare mtd: gpmi-lib: convert to clk_prepare/clk_unprepare mmc: mxs-mmc: convert to clk_prepare/clk_unprepare dma: mxs-dma: convert to clk_prepare/clk_unprepare net: fec: add clk_prepare/clk_unprepare ARM: mxs: convert platform code to clk_prepare/clk_unprepare clk: add helper functions clk_prepare_enable and clk_disable_unprepare
2012-01-03Merge branch 'mxs/clk-prepare' of ↵Arnd Bergmann
git://git.linaro.org/people/shawnguo/linux-2.6 into imx/clk
2012-01-03Merge branch 'imx6/pm' into next/pmArnd Bergmann
* imx6/pm: ARM: imx6q: resume PL310 only when CACHE_L2X0 defined ARM: imx6q: build pm code only when CONFIG_PM selected ARM: mx5: use generic irq chip pm interface for pm functions on
2012-01-03Merge branch 'v3.2-rc7' into next/pmArnd Bergmann
Conflicts: arch/arm/kernel/setup.c arch/arm/mach-shmobile/board-kota2.c
2012-01-03Merge branch 'imx/pm' of git://git.linaro.org/people/shawnguo/linux-2.6 into ↵Arnd Bergmann
imx6/pm
2012-01-03regulator: add regulator_bulk_force_disable functionDonggeun Kim
This patch allows consumers to forcibly disable multiple regulator clients in a single API call. Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-01-03mfd: Clearing events requires event registers to be writable for da9052-coreAshish Jangam
Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-01-03Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem Conflicts: drivers/net/wireless/b43/dma.c drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
2012-01-03fix CAN MAINTAINERS SCM tree typeOliver Hartkopp
As pointed out by Joe Perches the SCM tree type was missing in my patch. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> CC: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> CC: Urs Thuermann <urs.thuermann@volkswagen.de> CC: Wolfgang Grandegger <wg@grandegger.com> CC: Marc Kleine-Budde <mkl@pengutronix.de> CC: linux-can@vger.kernel.org
2012-01-03mwifiex: fix crash during simultaneous scan and connectAmitkumar Karwar
If 'iw connect' command is fired when driver is already busy in serving 'iw scan' command, ssid specific scan operation for connect is skipped. In this case cmd wait queue handler gets called with no command in queue (i.e. adapter->cmd_queued = NULL). This patch adds a NULL check in mwifiex_wait_queue_complete() routine to fix crash observed during simultaneous scan and assoc operations. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-03b43: fix regression in PIO caseGuennadi Liakhovetski
This patch fixes the regression, introduced by commit 17030f48e31adde5b043741c91ba143f5f7db0fd From: Rafał Miłecki <zajec5@gmail.com> Date: Thu, 11 Aug 2011 17:16:27 +0200 Subject: [PATCH] b43: support new RX header, noticed to be used in 598.314+ fw in PIO case. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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