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2012-01-09Merge branch 'samsung/cleanup' into next/boardsArnd Bergmann
Conflicts: arch/arm/mach-imx/mach-imx6q.c arch/arm/mach-omap2/board-ti8168evm.c arch/arm/mach-s3c64xx/Kconfig arch/arm/mach-tegra/Makefile arch/arm/mach-tegra/board-dt-tegra20.c arch/arm/mach-tegra/common.c Lots of relatively simple conflicts between the board changes and stuff from the arm tree. This pulls in the resolution from the samsung/cleanup tree, so we don't get conflicting merges. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-09xen/mmu: Fix compile errors introduced by x86/memblock mismerge.Konrad Rzeszutek Wilk
The git commit d4bbf7e7759afc172e2bfbc5c416324590049cdd "Merge branch 'master' into x86/memblock" mismerged the 32-bit section causing: arch/x86/xen/mmu.c: In function ‘xen_setup_kernel_pagetable’: arch/x86/xen/mmu.c:1855: error: expected ‘;’ before ‘)’ token arch/x86/xen/mmu.c:1855: error: expected statement before ‘)’ token Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-01-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: ext[34]: avoid i_nlink warnings triggered by drop_nlink/inc_nlink kludge in symlink() exofs: oops after late failure in mount devpts: fix double-free on mount failure ... and the same for gadgetfs functionfs: unfuck failure exits on mount
2012-01-09Merge branch 'samsung/driver' into next/driversArnd Bergmann
Conflicts: arch/arm/mach-mxs/include/mach/common.h Pull in previous samsung conflict merges and do a trivial merge of an mxs double-add conflict. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-09Merge branch 'samsung/cleanup' into samsung/driverArnd Bergmann
Conflicts: arch/arm/mach-s5p64x0/cpu.c -> common.c More changes to a file that got moved into common.c, see previous conflict resolutions. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (31 commits) [S390] disassembler: mark exception causing instructions [S390] Enable exception traces by default [S390] return address of compat signals [S390] sysctl: get rid of dead declaration [S390] dasd: fix fixpoint divide exception in define_extent [S390] dasd: add sanity check to detect path connection error [S390] qdio: fix kernel panic for zfcp 31-bit [S390] Add s390x description to Documentation/kdump/kdump.txt [S390] Add VMCOREINFO_SYMBOL(high_memory) to vmcoreinfo [S390] dasd: fix expiration handling for recovery requests [S390] outstanding interrupts vs. smp_send_stop [S390] ipc: call generic sys_ipc demultiplexer [S390] zcrypt: Fix error return codes. [S390] zcrypt: Rework length parameter checking. [S390] cleanup trap handling [S390] Remove Kerntypes leftovers [S390] topology: increase poll frequency if change is anticipated [S390] entry[64].S improvements [S390] make arch/s390 subdirectories depend on config option [S390] kvm: move cmf host id constant out of lowcore ... Fix up conflicts in arch/s390/kernel/{smp.c,topology.c} due to the sysdev removal clashing with "topology: get rid of ifdefs" which moved some of that code around.
2012-01-09Merge branch 'samsung/cleanup' into next/cleanup2Arnd Bergmann
2012-01-09Merge branch 'samsung/dt' into samsung/cleanupArnd Bergmann
Conflicts: arch/arm/mach-s3c64xx/Makefile arch/arm/mach-s5pc100/Makefile arch/arm/mach-s5pv210/Makefile Pull in previously resolved conflicts: The Makefiles were reorganized in the "rmk/restart" series and modified in the "samsung/cleanup series". This also pulls in the other conflict resolutions from the restart series against the samsung/dt series. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-09isofs: inode leak on mount failureAl Viro
d_alloc_root() failure leaves root inode leaked... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-09xen/pciback: Expand the warning message to include domain id.Konrad Rzeszutek Wilk
When a PCI device is transferred to another domain and it is still in usage (from the internal perspective), mention which other domain is using it to aid in debugging. [v2: Truncate the verbose message per Jan Beulich suggestion] [v3: Suggestions from Ian Campbell on the wording] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: Jan Beulich <jbeulich@suse.com>
2012-01-09ext2/3/4: delete unneeded includes of module.hPaul Gortmaker
Delete any instances of include module.h that were not strictly required. In the case of ext2, the declaration of MODULE_LICENSE etc. were in inode.c but the module_init/exit were in super.c, so relocate the MODULE_LICENCE/AUTHOR block to super.c which makes it consistent with ext3 and ext4 at the same time. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09ext{3,4}: Fix potential race when setversion ioctl updates inodeDjalal Harouni
The EXT{3,4}_IOC_SETVERSION ioctl() updates i_ctime and i_generation without i_mutex. This can lead to a race with the other operations that update i_ctime. This is not a big issue but let's make the ioctl consistent with how we handle e.g. other timestamp updates and use i_mutex to protect inode changes. Signed-off-by: Djalal Harouni <tixxdz@opendz.org> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09udf: Mark LVID buffer as uptodate before marking it dirtyJan Kara
When we hit EIO while writing LVID, the buffer uptodate bit is cleared. This then results in an anoying warning from mark_buffer_dirty() when we write the buffer again. So just set uptodate flag unconditionally. Reviewed-by: Namjae Jeon <linkinjeon@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09ext3: Don't warn from writepage when readonly inode is spotted after errorJan Kara
WARN_ON_ONCE(IS_RDONLY(inode)) tends to trip when filesystem hits error and is remounted read-only. This unnecessarily scares users (well, they should be scared because of filesystem error, but the stack trace distracts them from the right source of their fear ;-). We could as well just remove the WARN_ON but it's not hard to fix it to not trip on filesystem with errors and not use more cycles in the common case so that's what we do. CC: stable@kernel.org Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09jbd: Remove j_barrier mutexJan Kara
j_barrier mutex is used for serializing different journal lock operations. The problem with it is that e.g. FIFREEZE ioctl results in process leaving kernel with j_barrier mutex held which makes lockdep freak out. Also hibernation code wants to freeze filesystem but it cannot do so because it then cannot hibernate the system because of mutex being locked. So we remove j_barrier mutex and use direct wait on j_barrier_count instead. Since locking journal is a rare operation we don't have to care about fairness or such things. CC: Andrew Morton <akpm@linux-foundation.org> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09reiserfs: Force inode evictions before umount to avoid crashJeff Mahoney
This patch fixes a crash in reiserfs_delete_xattrs during umount. When shrink_dcache_for_umount clears the dcache from generic_shutdown_super, delayed evictions are forced to disk. If an evicted inode has extended attributes associated with it, it will need to walk the xattr tree to locate and remove them. But since shrink_dcache_for_umount will BUG if it encounters active dentries, the xattr tree must be released before it's called or it will crash during every umount. This patch forces the evictions to occur before generic_shutdown_super by calling shrink_dcache_sb first. The additional evictions caused by the removal of each associated xattr file and dir will be automatically handled as they're added to the LRU list. CC: reiserfs-devel@vger.kernel.org CC: stable@kernel.org Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09reiserfs: Fix quota mount option parsingJan Kara
When jqfmt mount option is not specified on remount, we mistakenly clear s_jquota_fmt value stored in superblock. Fix the problem. CC: stable@kernel.org CC: reiserfs-devel@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09udf: Treat symlink component of type 2 as /Jan Kara
Currently, we ignore symlink component of type 2. But mkisofs and other OS' seem to treat it as / so do the same for compatibility. Reported-by: "Gábor S." <otnaccess@hotmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09udf: Fix deadlock when converting file from in-ICB one to normal oneJan Kara
During BKL removal in 2.6.38, conversion of files from in-ICB format to normal format got broken. We call ->writepage with i_data_sem held but udf_get_block() also acquires i_data_sem thus creating A-A deadlock. We fix the problem by dropping i_data_sem before calling ->writepage() which is safe since i_mutex still protects us against any changes in the file. Also fix pagelock - i_data_sem lock inversion in udf_expand_file_adinicb() by dropping i_data_sem before calling find_or_create_page(). CC: stable@kernel.org Reported-by: Matthias Matiak <netzpython@mail-on.us> Tested-by: Matthias Matiak <netzpython@mail-on.us> Reviewed-by: Namjae Jeon <linkinjeon@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09udf: Cleanup calling convention of inode_getblk()Jan Kara
inode_getblk() always returned NULL and passed results in its parameters. Make the function return something useful - found block number. Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09ext2: Fix error handling on inode bitmap corruptionJan Kara
When insert_inode_locked() fails in ext2_new_inode() it most likely means inode bitmap got corrupted and we allocated again inode which is already in use. Also doing unlock_new_inode() during error recovery is wrong since the inode does not have I_NEW set. Fix the problem by informing about filesystem error and jumping to fail: (instead of fail_drop:) which doesn't call unlock_new_inode(). Reviewed-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09ext3: Fix error handling on inode bitmap corruptionJan Kara
When insert_inode_locked() fails in ext3_new_inode() it most likely means inode bitmap got corrupted and we allocated again inode which is already in use. Also doing unlock_new_inode() during error recovery is wrong since inode does not have I_NEW set. Fix the problem by jumping to fail: (instead of fail_drop:) which declares filesystem error and does not call unlock_new_inode(). Reviewed-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09ext3: replace ll_rw_block with other functionsZheng Liu
ll_rw_block() is deprecated. Thus we replace it with other functions. CC: Jan Kara <jack@suse.cz> Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09drm/radeon: double lock typo in radeon_vm_bo_rmv()Dan Carpenter
The second lock should be an unlock or it causes a deadlock. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-09drm/radeon: use after free in radeon_vm_bo_add()Dan Carpenter
"bo_va" is dereferenced in the error message. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-09drm/sis|via: don't return stack garbage from free_mem ioctlDaniel Vetter
Fallout from my "kill drm_sman" refactor. Unfortunately gcc seems to have failed me and not warned about this. Tested-by: Jakob Bornecrantz <wallbraker@gmail.com> (on via) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-09drm/radeon/kms: remove pointless CS flags priority structAlex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <deathsimple@vodafone.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-09drm/radeon/kms: check if vm is supported in VA ioctlAlex Deucher
Add a VM manager enabled field and use it to check if vm is enabled. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: jglisse@redhat.com Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-09Merge branches 'iommu/page-sizes' and 'iommu/group-id' into nextJoerg Roedel
Conflicts: drivers/iommu/amd_iommu.c drivers/iommu/intel-iommu.c include/linux/iommu.h
2012-01-09Merge branches 'iommu/fixes', 'arm/omap' and 'x86/amd' into nextJoerg Roedel
Conflicts: drivers/pci/hotplug/acpiphp_glue.c
2012-01-09Merge branch 'hid-battery' of ↵Jiri Kosina
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen into for-linus
2012-01-08net: sk_update_clone is only used in net/core/sock.cStephen Rothwell
so move it there. Fixes build errors when CONFIG_INET is not defined: In file included from include/linux/tcp.h:211:0, from include/linux/ipv6.h:221, from include/net/ipv6.h:16, from include/linux/sunrpc/clnt.h:26, from include/linux/nfs_fs.h:50, from init/do_mounts.c:20: include/net/sock.h: In function 'sk_update_clone': include/net/sock.h:1109:3: error: implicit declaration of function 'sock_update_memcg' [-Werror=implicit-function-declaration] Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-08Merge branch 'next' into for-linusDmitry Torokhov
2012-01-088139cp: fix missing napi_gro_flush.françois romieu
The driver uses __napi_complete and napi_gro_receive. Without it, the driver hits the BUG_ON(n->gro_list) assertion hard in __napi_complete. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Tested-by: Marin Glibic <zhilla2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-08ext[34]: avoid i_nlink warnings triggered by drop_nlink/inc_nlink kludge in ↵Al Viro
symlink() Both ext3 and ext4 put the half-created symlink inode into the orphan list for a while (see the comment in ext[34]_symlink() for gory details). Then, if everything went fine, they pull it out of the orphan list and bump the link count back to 1. The thing is, inc_nlink() is going to complain about seeing somebody changing i_nlink from 0 to 1. With a good reason, since normally something like that is a bug. Explicit set_nlink(inode, 1) does the same thing as inc_nlink() here, but it does *not* complain - exactly because it should be usable in strange situations like this one. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-08exofs: oops after late failure in mountAl Viro
We have already set ->s_root, so ->put_super() is going to be called. Freeing ->s_fs_info is a bloody bad idea when it's going to be dereferenced very shortly... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-08devpts: fix double-free on mount failureAl Viro
devpts_kill_sb() is called even if devpts_fill_super() fails; we should not do that kfree() in the latter, especially not with ->s_fs_info left pointing to freed object. Double kfree() is a Bad Thing(tm)... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-08... and the same for gadgetfsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-08functionfs: unfuck failure exits on mountAl Viro
* if you do dput() of root dentry, do *not* follow that with iput() of root inode. * while we are at it, don't do that dput() at all - you are leaving the pointer in ->s_root and your ->kill_sb() will be very unhappy with that. It will do proper dput(), though, so the easiest way is to leave that to it entirely. * freeing ->s_fs_info is also best left to ->kill_sb() (which will do it anyway), especially since we leave the pointer in place. * that xchg() in ->kill_sb() is not a bug per se, but it's a plain and simple masturbation with fewer excuses than Onan had... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-08ahci: support the STA2X11 I/O HubAlessandro Rubini
The AHCI controller found in the STA2X11 chip uses BAR number 0 instead of 5. Also, the chip's fixup code sets a special DMA mask for all of its PCI functions, and the mask must be preserved here. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08pata_bf54x: fix BMIDE status register emulationSergei Shtylyov
The author of this driver clearly wasn't familiar with the BMIDE specification (also known as SFF-8038i) when he implemented the bmdma_status() method: first, the interrupt bit of the BMIDE status register corresponds to nothing else but INTRQ signal (ATAPI_DEV_INT here); second, the error bit is only set if the controller encounters issue doing the bus master transfers, not on the IDE DMA burst termination interrupts like here (moreover, setting the error bit doesn't cause an interrupt). We now need to disable all those unused interrupts... (The only thing I couldn't figure out is how to flush the FIFO to memory once the interrupt happens as required by the mentioned spec.) Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08ata: add ata port hibernate callbacksLin Ming
Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08ata: update ata port's runtime status during system resumeLin Ming
The ata port is brought back to full power state during system resume. So its runtime PM status will have to be updated to reflect the actual post-system sleep status. This also fixes below warning during system suspend/resume. WARNING: at /work/linux/drivers/ata/libata-eh.c:4034 ata_scsi_port_error_handler+0x89/0x557() 4034 WARN_ON(!(ap->pflags & ATA_PFLAG_SUSPENDED)); Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08[SCSI] runtime resume parent for child's system-resumeLin Ming
[Patch description from Alan Stern] If a child device was runtime-suspended when a system suspend began, then there will be nothing to prevent its parent from runtime-suspending as soon as it is woken up during the system resume. Then when the time comes to resume the child, the resume will fail because the parent is already back at low power. On the other hand, there are some devices which should remain at low power across an entire suspend-resume cycle. The details depend on the device and the platform. This suggests that the PM core is not the right place to solve the problem. One possible solution is for the subsystem or device driver to call pm_runtime_get_sync(dev->parent) at the start of the system-resume procedure and pm_runtime_put_sync(dev->parent) at the end. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08ahci: platform support for suspend/resumeBrian Norris
Add platform hooks for custom suspend() and resume() functions. The generic suspend/resume code in drivers/ata/ahci_platform.c is adapted from the PCI version in drivers/ata/ahci.c. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08libata-core: kill duplicate statement in ata_do_set_mode()Sergei Shtylyov
Commit b3a706014e56b1356e7b275fd25b833c63175bf0 (libata: Add a drivers/ide style DMA disable) neglected to remove the line in ata_do_set_mode() it has obviously made useless/duplicated. Do this now, and make a line added back then wrapped properly... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08pata_of_platform: remove direct dependency on OF_IRQRob Herring
CONFIG_OF_IRQ is not available on some platforms and using of_irq_* breaks the build. Since resources are already populated in the platform device, get the irq from there instead. Reported-by: David S. Miller <davem@davemloft.net> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08SATA/PATA: convert drivers/ata/* to use module_platform_driver()Axel Lin
This patch converts the drivers in drivers/ata/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Cc: Viresh Kumar <viresh.kumar@st.com> Cc: Jeff Garzik <jgarzik@pobox.com> Cc: Arnaud Patard <arnaud.patard@rtp-net.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Sylvain Munaut <tnt@246tNt.com> Cc: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Florian Fainelli <florian@openwrt.org> Cc: Mark Miesfeld <mmiesfeld@amcc.com> Cc: Ashish Kalra <ashish.kalra@freescale.com> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08pata_cs5536: forward port changes from cs5536Bartlomiej Zolnierkiewicz
* Fix cable detection to also account for the slave device cable bit. * Disable UDMA when programming MWDMA in cs5536_set_dmamode(). * Don't change UDMA settings in cs5536_set_piomode(). * Add cs5536_program_dtc() helper. * Cleanup and uninline cs5536_[read,write]() methods. Cc: Martin K. Petersen <mkp@mkp.net> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-01-08libata-sff: use ATAPI_{COD|IO}Sergei Shtylyov
atapi_pio_bytes() uses bare numbers for the ATAPI interrupt reason bits despite these are #define'd in <linux/ata.h>. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>