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2015-12-07batman-adv: fix speedy join for DAT cache repliesSimon Wunderlich
DAT Cache replies are answered on behalf of other clients which are not connected to the answering originator. Therefore, we shouldn't add these clients to the answering originators TT table through speed join to avoid bogus entries. Reported-by: Alessandro Bolletta <alessandro@mediaspot.net> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Acked-by: Antonio Quartulli <antonio@meshcoding.com> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-12-07phy: core: Get a refcount to phy in devm_of_phy_get_by_index()Chunfeng Yun
On driver detach, devm_phy_release() will put a refcount to the phy, so gets a refconut to it before return. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-12-07ALSA: hda - Add inverted dmic for Packard Bell DOTSDavid Henningsson
On the internal mic of the Packard Bell DOTS, one channel has an inverted signal. Add a quirk to fix this up. Cc: stable@vger.kernel.org BugLink: https://bugs.launchpad.net/bugs/1523232 Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-12-07ALSA: hda - Fix playback noise with 24/32 bit sample size on BXTLu, Han
In BXT-P A0, HD-Audio DMA requests is later than expected, and makes an audio stream sensitive to system latencies when 24/32 bits are playing. Adjusting threshold of DMA fifo to force the DMA request sooner to improve latency tolerance at the expense of power. v2: move Intel specific code to hda_intel.c Signed-off-by: Lu, Han <han.lu@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-12-06net: remove unnecessary semicolon in netdev_alloc_pcpu_stats()Felix Fietkau
This semicolon causes a build error if the function call is wrapped in parentheses. Fixes: aabc92bbe3cf ("net: add __netdev_alloc_pcpu_stats() to indicate gfp flags") Reported-by: Imre Kaloz <kaloz@openwrt.org> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-06sctp: start t5 timer only when peer rwnd is 0 and local state is ↵lucien
SHUTDOWN_PENDING when A sends a data to B, then A close() and enter into SHUTDOWN_PENDING state, if B neither claim his rwnd is 0 nor send SACK for this data, A will keep retransmitting this data until t5 timeout, Max.Retrans times can't work anymore, which is bad. if B's rwnd is not 0, it should send abort after Max.Retrans times, only when B's rwnd == 0 and A's retransmitting beyonds Max.Retrans times, A will start t5 timer, which is also commit f8d960524328 ("sctp: Enforce retransmission limit during shutdown") means, but it lacks the condition peer rwnd == 0. so fix it by adding a bit (zero_window_announced) in peer to record if the last rwnd is 0. If it was, zero_window_announced will be set. and use this bit to decide if start t5 timer when local.state is SHUTDOWN_PENDING. Fixes: commit f8d960524328 ("sctp: Enforce retransmission limit during shutdown") Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-06xfs: Change how listxattr generates synthetic attributesAndreas Gruenbacher
Instead of adding the synthesized POSIX ACL attribute names after listing all non-synthesized attributes, generate them immediately when listing the non-synthesized attributes. In addition, merge xfs_xattr_put_listent and xfs_xattr_put_listent_sizes to ensure that the list size is computed correctly; the split version was overestimating the list size for non-root users. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Cc: Dave Chinner <david@fromorbit.com> Cc: xfs@oss.sgi.com Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06tmpfs: listxattr should include POSIX ACL xattrsAndreas Gruenbacher
When a file on tmpfs has an ACL or a Default ACL, listxattr should include the corresponding xattr name. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: James Morris <james.l.morris@oracle.com> Cc: Hugh Dickins <hughd@google.com> Cc: linux-mm@kvack.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06tmpfs: Use xattr handler infrastructureAndreas Gruenbacher
Use the VFS xattr handler infrastructure and get rid of similar code in the filesystem. For implementing shmem_xattr_handler_set, we need a version of simple_xattr_set which removes the attribute when value is NULL. Use this to implement kernfs_iop_removexattr as well. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: James Morris <james.l.morris@oracle.com> Cc: Hugh Dickins <hughd@google.com> Cc: linux-mm@kvack.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06btrfs: Use xattr handler infrastructureAndreas Gruenbacher
Use the VFS xattr handler infrastructure and get rid of similar code in the filesystem. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06vfs: Distinguish between full xattr names and proper prefixesAndreas Gruenbacher
Add an additional "name" field to struct xattr_handler. When the name is set, the handler matches attributes with exactly that name. When the prefix is set instead, the handler matches attributes with the given prefix and with a non-empty suffix. This patch should avoid bugs like the one fixed in commit c361016a in the future. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06posix acls: Remove duplicate xattr name definitionsAndreas Gruenbacher
Remove POSIX_ACL_XATTR_{ACCESS,DEFAULT} and GFS2_POSIX_ACL_{ACCESS,DEFAULT} and replace them with the definitions in <include/uapi/linux/xattr.h>. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06gfs2: Remove gfs2_xattr_acl_chmodAndreas Gruenbacher
Function gfs2_xattr_acl_chmod is unused since commit e01580bf. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: James Morris <james.l.morris@oracle.com> Acked-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06vfs: Remove vfs_xattr_cmpAndreas Gruenbacher
This function was only briefly used in security/integrity/evm, between commits 66dbc325 and 15647eb3. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06restore_nameidata(): no need to clear now->stackAl Viro
microoptimization: in all callers *now is in the frame we are about to leave. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06namei.c: take "jump to root" into a new helperAl Viro
... and use it both in path_init() (for absolute pathnames) and get_link() (for absolute symlinks). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06path_init(): set nd->inode earlier in cwd-relative caseAl Viro
that allows to kill the recheck of nd->seq on the way out in this case, and this check on the way out is left only for absolute pathnames. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06namei.c: fold set_root_rcu() into set_root()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06don't opencode iget_failed()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06f2fs: it's umode_t, not mode_t...Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06typo in fs/namei.c commentMike Marshall
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06vgaarb: remove bogus checksAl Viro
neither ->release() nor ->poll() can be called unless ->open() has succeeded on the same struct file, so checking for "has open() failed" is pointless. What's more, ->poll() doesn't return -E... - it always returns a bitmap of POLL... values, so the dead code in that one had been actively bogus. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06coredump: Use 64bit time for unix time of coredumpArnd Bergmann
struct timeval on 32-bit systems will have its tv_sec value overflow in year 2038 and beyond. Use a 64 bit value to print time of the coredump in seconds. ktime_get_real_seconds is chosen here for efficiency reasons. Suggested by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06adfs: constify adfs_dir_ops structuresJulia Lawall
The adfs_dir_ops structures are never modified, so declare them as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06vfs: show_vfsstat: remove redundant initialization and check of error codeDmitry V. Levin
As err variable is now always checked right after each assignment, its initialization is redundant and could be safely removed. For the same reason, the last check of err is also redundant and could be removed as well. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06vfs: show_mountinfo: cleanup error code checksDmitry V. Levin
Check err variable right after each assignment. This change makes initialization of err redundant, so remove the initialization. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06vfs: show_vfsmnt: remove redundant initialization of error codeDmitry V. Levin
As err variable is now always checked right after the first assignment, its initialization is redundant and could be safely removed. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06fs/attr.c: is_sxid can be booleanYaowei Bai
This patch makes is_sxid return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06fs/bad_inode.c: is_bad_inode can be booleanYaowei Bai
This patch makes is_bad_inode return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06fs/dcache.c: is_subdir can be booleanYaowei Bai
This patch makes is_subdir return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06fs/namespace.c: path_is_under can be booleanYaowei Bai
This patch makes path_is_under return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06fs/block_dev.c: make sb_is_blkdev_sb return bool when CONFIG_BLOCK undefinedYaowei Bai
Currently when CONFIG_BLOCK is defined sb_is_blkdev_sb returns bool, while when CONFIG_BLOCK is not defined it returns int. Let's keep consistent to make sb_is_blkdev_sb return bool as well when CONFIG_BLOCK isn't defined. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06lustre: constify inode_operations structuresJulia Lawall
The inode_operations structures are never modified, so declare them as const, like all the other inode_operations structures. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06fs/file.c: __const_max is actually __const_min :-)Rasmus Villemoes
7f4b36f9bb930 "get rid of files_defer_init()" inexplicably changed a min() to a __const_max() - but the __const_max macro actually gives the minimum... So no functional change, just less confusing naming. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-069p/trans_virtio: don't bother with p9_tag_lookup()Al Viro
Just store the pointer to req instead of that to req->tc as opaque data. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06namei: page_getlink() and page_follow_link_light() are the same thingAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06ufs: get rid of ->setattr() for symlinksAl Viro
It was to needed for a couple of months in 2010, until UFS quota support got dropped. Since then it's equivalent to simple_setattr() (i.e. the default) for everything except the regular files. And dropping it there allows to convert all UFS symlinks to {page,simple}_symlink_inode_operations, getting rid of fs/ufs/symlink.c completely. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06udf: don't duplicate page_symlink_inode_operationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06logfs: don't duplicate page_symlink_inode_operationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06switch befs long symlinks to page_symlink_operationsAl Viro
just give them the right ->readpage()... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06iov_iter: export import_single_range()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-06iov_iter: constify {csum_and_,}copy_to_iter()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-07component: add support for releasing match dataRussell King
The component helper treats the void match data pointer as an opaque object which needs no further management. When device nodes being passed, this is not true: the caller should pass its refcount to the component helper, and there should be a way to drop the refcount when the matching information is destroyed. This patch provides a per-match release method in addition to the match method to solve this issue. Rather than using component_match_add(), users should use component_match_add_release() which takes an additional function pointer for releasing this reference. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-12-07component: track components via array rather than listRussell King
Since we now have an array which defines each component, maintain the components to be bound in the array rather than a separate list. We also need duplicate tracking so we can eliminate multiple bind calls for the same component: we preserve the list-based component order in that the first match which adds the component determines its position. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-12-07component: move check for unbound master into try_to_bring_up_masters()Russell King
Clean up the code a little; we don't need to check that the master is unbound for every invocation of try_to_bring_up_master(), so let's move it to where it's really needed - try_to_bring_up_masters(), where we may encounter already bound masters. Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-12-07component: remove old add_components methodRussell King
Now that drivers create an array of component matches at probe time, we can retire the old methods. This involves removing the add_components master method, and removing component_master_add_child() from public view. We also remove component_add_master() as that interface is no longer useful. Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-12-06Linux 4.4-rc4v4.4-rc4Linus Torvalds
2015-12-06staging/lustre: remove IOC_LIBCFS_PING_TEST ioctlJames Simmons
The ioctl IOC_LIBCFS_PING_TEST has not been used in ages. The recent nidstring changes which moved all the nidstring operations from libcfs to the LNet layer but this ioctl code was still using an nidstring operation that was causing a circular dependency loop between libcfs and LNet. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-12-06Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs fixes from Al Viro: "A couple of fixes (-stable fodder) + dead code removal after the overlayfs fix. I agree that it's better to separate from the fix part to make backporting easier, but IMO it's not worth delaying said dead code removal until the next window" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Don't reset ->total_link_count on nested calls of vfs_path_lookup() ovl: get rid of the dead code left from broken (and disabled) optimizations ovl: fix permission checking for setattr
2015-12-06sctp: only drop the reference on the datamsg after sending a msglucien
If the chunks are enqueued successfully but sctp_cmd_interpreter() return err to sctp_sendmsg() (mainly because of no mem), the chunks will get re-queued, but we are dropping the reference and freeing them. The fix is to just drop the reference on the datamsg just as it had succeeded, as: - if the chunks weren't queued, this is enough to get them freed. - if they were queued, they will get freed when they finally get out or discarded. Signed-off-by: Xin Long <lucien.xin@gmail.com> Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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