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d55b352b01
linux/fs/nfs
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Arnd Bergmann d55b352b01 NFSv4.x: hide array-bounds warning 
A correct bugfix introduced a harmless warning that shows up with gcc-7:

fs/nfs/callback.c: In function 'nfs_callback_up':
fs/nfs/callback.c:214:14: error: array subscript is outside array bounds [-Werror=array-bounds]

What happens here is that the 'minorversion == 0' check tells the
compiler that we assume minorversion can be something other than 0,
but when CONFIG_NFS_V4_1 is disabled that would be invalid and
result in an out-of-bounds access.

The added check for IS_ENABLED(CONFIG_NFS_V4_1) tells gcc that this
really can't happen, which makes the code slightly smaller and also
avoids the warning.

The bugfix that introduced the warning is marked for stable backports,
we want this one backported to the same releases.

Fixes: 98b0f80c23 ("NFSv4.x: Fix a refcount leak in nfs_callback_up_net")
Cc: stable@vger.kernel.org # v3.7+
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2016-11-22 16:11:44 -05:00
..
blocklayout pnfs/blocklayout: fix last_write_offset incorrectly set to page boundary 2016-10-13 16:42:53 -04:00
filelayout pNFS/files: filelayout_write_done_cb must call nfs_writeback_update_inode() 2016-07-21 09:46:42 -04:00
flexfilelayout NFSv4.x: Allow callers of nfs_remove_bad_delegation() to specify a stateid 2016-09-27 14:33:37 -04:00
objlayout mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
cache_lib.c NFS: cache_lib: use complete() instead of complete_all() 2016-09-23 09:40:12 -04:00
cache_lib.h
callback_proc.c nfs: allow blocking locks to be awoken by lock callbacks 2016-09-22 15:54:27 -04:00
callback_xdr.c nfs: add handling for CB_NOTIFY_LOCK in client 2016-09-22 13:56:04 -04:00
callback.c NFSv4.x: hide array-bounds warning 2016-11-22 16:11:44 -05:00
callback.h nfs: add handling for CB_NOTIFY_LOCK in client 2016-09-22 13:56:04 -04:00
client.c NFS: Ignore connections that have cl_rpcclient uninitialized 2016-11-07 16:11:29 -05:00
delegation.c NFS: Always call nfs_inode_find_state_and_recover() when revoking a delegation 2016-09-27 14:35:04 -04:00
delegation.h NFSv4: nfs_inode_find_state_and_recover() should check all stateids 2016-09-27 14:34:35 -04:00
dir.c NFS: Fix inode corruption in nfs_prime_dcache() 2016-09-27 14:31:52 -04:00
direct.c NFS: direct: use complete() instead of complete_all() 2016-09-23 09:14:16 -04:00
dns_resolve.c
dns_resolve.h
file.c nfs: eliminate pointless and confusing do_vfs_lock wrappers 2016-09-22 13:56:04 -04:00
fscache-index.c
fscache.c
fscache.h
getroot.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
inode.c pNFS: Actively set attributes as invalid if LAYOUTCOMMIT is outstanding 2016-07-28 14:49:08 -04:00
internal.h pNFS: Fix atime updates on pNFS clients 2016-09-27 14:35:36 -04:00
io.c NFS: Do not serialise O_DIRECT reads and writes 2016-07-05 19:11:04 -04:00
iostat.h
Kconfig kernel: conditionally support non-root users, groups and capabilities 2015-04-15 16:35:22 -07:00
Makefile NFS: Do not serialise O_DIRECT reads and writes 2016-07-05 19:11:04 -04:00
mount_clnt.c NFS: Remove unneeded NFS_DEBUG checking before define NFSDBG_FACILITY 2015-10-21 15:49:23 -05:00
namespace.c NFS: Trim extra slash in v4 nfs_path 2016-10-24 12:06:01 -04:00
netns.h fs: nfs: Make nfs boot time y2038 safe 2016-10-04 16:20:26 -04:00
nfs2super.c
nfs2xdr.c nfs: save server READ/WRITE/COMMIT status 2015-02-03 11:06:40 -08:00
nfs3_fs.h nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3acl.c posix_acl: Inode acl caching fixes 2016-03-31 00:30:15 -04:00
nfs3client.c nfs4: flexfiles: respect noresvport when establishing connections to DSes 2016-07-19 16:23:25 -04:00
nfs3proc.c qstr: constify instances in nfs 2016-07-20 23:30:06 -04:00
nfs3super.c nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3xdr.c xprtrdma: Fix large NFS SYMLINK calls 2015-08-05 16:21:28 -04:00
nfs4_fs.h NFSv4: Fix CLOSE races with OPEN 2016-11-18 13:35:58 -05:00
nfs4client.c nfs: allow blocking locks to be awoken by lock callbacks 2016-09-22 15:54:27 -04:00
nfs4file.c NFSv4: Revert "Truncating file opens should also sync O_DIRECT writes" 2016-07-14 12:42:40 -04:00
nfs4getroot.c nfs: Remove invalid NFS_ATTR_FATTR_V4_REFERRAL checking in nfs4_get_rootfh 2015-07-01 11:31:22 -04:00
nfs4idmap.c KEYS: Add a facility to restrict new links into a keyring 2016-04-11 22:37:37 +01:00
nfs4idmap.h NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4namespace.c qstr: constify instances in nfs 2016-07-20 23:30:06 -04:00
nfs4proc.c NFSv4.1: Keep a reference on lock states while checking 2016-11-21 11:58:39 -05:00
nfs4renewd.c NFSv4: Cap the transport reconnection timer at 1/2 lease period 2016-08-05 19:22:22 -04:00
nfs4session.c fs/nfs: Fix used uninitialized warn in nfs4_slot_seqid_in_use() 2016-11-07 16:11:30 -05:00
nfs4session.h NFSv4.1: Don't deadlock the state manager on the SEQUENCE status flags 2016-09-27 14:31:27 -04:00
nfs4state.c NFSv4.1: Handle NFS4ERR_OLD_STATEID in nfs4_reclaim_open_state 2016-11-18 14:27:27 -05:00
nfs4super.c NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4sysctl.c nfs: do not initialise statics to 0 2015-12-28 09:57:15 -05:00
nfs4trace.c pNFS: Modify pnfs_update_layout tracepoints to use layout stateid 2015-12-28 09:57:14 -05:00
nfs4trace.h tracing: Use __get_str() when manipulating strings 2016-07-15 15:52:20 -04:00
nfs4xdr.c fs: nfs: Make nfs boot time y2038 safe 2016-10-04 16:20:26 -04:00
nfs42.h NFS: Add COPY nfs operation 2016-05-17 15:47:55 -04:00
nfs42proc.c NFSv4.2: Fix a reference leak in nfs42_proc_layoutstats_generic 2016-10-04 16:30:54 -04:00
nfs42xdr.c NFSv4.2: Fix warning "variable ‘stateids’ set but not used" 2016-07-24 17:36:06 -04:00
nfs.h
nfsroot.c nfsroot: make nfsroot to accept the 1024 bytes long directory name 2015-10-21 15:49:19 -05:00
nfstrace.c NFSv4: Allow tracing of NFSv4 fsync calls 2015-03-27 12:39:34 -04:00
nfstrace.h NFS client updates for Linux 4.8 2016-07-30 16:33:25 -07:00
pagelist.c NFS: Add nfs_commit_file() 2016-05-17 15:47:55 -04:00
pnfs_dev.c NFSv4.1: Don't cache deviceids that have no notifications 2015-03-27 12:32:24 -04:00
pnfs_nfs.c NFS pnfs data server multipath session trunking 2016-09-19 13:08:37 -04:00
pnfs.c NFS: Don't print a pNFS error if we aren't using pNFS 2016-11-07 16:11:30 -05:00
pnfs.h pnfs: add a new mechanism to select a layout driver according to an ordered list 2016-09-19 13:11:13 -04:00
proc.c qstr: constify instances in nfs 2016-07-20 23:30:06 -04:00
read.c NFS: Fix a double page unlock 2016-06-24 12:01:00 -04:00
super.c NFSv4.x: Add kernel parameter to control the callback server 2016-09-19 13:08:36 -04:00
symlink.c switch ->get_link() to delayed_call, kill ->put_link() 2015-12-30 13:01:03 -05:00
sysctl.c
unlink.c qstr: constify instances in nfs 2016-07-20 23:30:06 -04:00
write.c NFS client updates for Linux 4.8 2016-07-30 16:33:25 -07:00