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linux-stable/fs/xfs
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Nathan Chancellor 7be73fa1c1 xfs: Zero initialize highstale and lowstale in xfs_dir2_leafn_add 
When building with -Wsometimes-uninitialized, Clang warns:

fs/xfs/libxfs/xfs_dir2_node.c:481:6: warning: variable 'lowstale' is
used uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
fs/xfs/libxfs/xfs_dir2_node.c:481:6: warning: variable 'highstale' is
used uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]

While it isn't technically wrong, it isn't a problem in practice because
highstale and lowstale are only initialized in xfs_dir2_leafn_add when
compact is not zero then they are passed to xfs_dir3_leaf_find_entry,
where they are initialized before use when compact is zero. Regardless,
it's better not to be passing around uninitialized stack memory so zero
initialize these variables, which silences this warning.

Link: https://github.com/ClangBuiltLinux/linux/issues/393
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2019-03-08 14:24:43 -08:00
..
libxfs xfs: Zero initialize highstale and lowstale in xfs_dir2_leafn_add 2019-03-08 14:24:43 -08:00
scrub xfs: fix backwards endian conversion in scrub 2019-02-25 10:16:42 -08:00
Kconfig xfs: implement the metadata repair ioctl flag 2018-05-15 18:12:50 -07:00
kmem.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
kmem.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
Makefile xfs: move the repair extent list into its own file 2018-07-29 22:37:09 -07:00
mrlock.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs.h xfs: remove b_last_holder & associated macros 2018-08-12 08:37:31 -07:00
xfs_acl.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_acl.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_aops.c xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_aops.h xfs: remove the io_type field from the writeback context and ioend 2019-02-17 11:55:53 -08:00
xfs_attr_inactive.c xfs: remove all boilerplate defer init/finish code 2018-07-26 10:15:15 -07:00
xfs_attr_list.c xfs: don't overflow xattr listent buffer 2019-02-14 09:36:52 -08:00
xfs_bmap_item.c xfs: pass transaction to xfs_defer_add() 2018-08-02 23:05:14 -07:00
xfs_bmap_item.h xfs: use transaction for intent recovery instead of raw dfops 2018-08-02 23:05:13 -07:00
xfs_bmap_util.c xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_bmap_util.h xfs: flush removing page cache in xfs_reflink_remap_prep 2018-11-21 10:10:53 -08:00
xfs_buf.c xfs: fix xfs_buf magic number endian checks 2019-02-18 09:38:41 -08:00
xfs_buf.h xfs: fix xfs_buf magic number endian checks 2019-02-18 09:38:41 -08:00
xfs_buf_item.c xfs: fix transient reference count error in xfs_buf_resubmit_failed_buffers 2018-11-20 10:36:01 -08:00
xfs_buf_item.h xfs: refactor xfs_buf_log_item reference count handling 2018-09-29 13:45:26 +10:00
xfs_dir2_readdir.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_discard.c xfs: trivial xfs_btree_del_cursor cleanups 2018-07-23 09:08:00 -07:00
xfs_discard.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_dquot.c xfs: remove dead error handling code in xfs_dquot_disk_alloc() 2018-08-07 10:57:13 -07:00
xfs_dquot.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_dquot_item.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_dquot_item.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_error.c xfs: cache unlinked pointers in an rhashtable 2019-02-11 16:07:01 -08:00
xfs_error.h xfs: Introduce XFS_PTAG_VERIFIER_ERROR panic mask 2019-02-11 16:07:00 -08:00
xfs_export.c xfs: clean up IRELE/iput callsites 2018-07-26 10:15:16 -07:00
xfs_export.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extent_busy.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extent_busy.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extfree_item.c xfs: remove xfs_rmap_ag_owner and friends 2018-12-12 08:47:16 -08:00
xfs_extfree_item.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_file.c xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_filestream.c xfs: replace dop_low with transaction flag 2018-08-02 23:05:13 -07:00
xfs_filestream.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_fsmap.c xfs: trivial xfs_btree_del_cursor cleanups 2018-07-23 09:08:00 -07:00
xfs_fsmap.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_fsops.c xfs: reserve blocks for ifree transaction during log recovery 2019-02-14 22:42:57 -08:00
xfs_fsops.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_globals.c xfs: Introduce XFS_PTAG_VERIFIER_ERROR panic mask 2019-02-11 16:07:00 -08:00
xfs_icache.c xfs: introduce a new xfs_inode_has_cow_data helper 2018-07-30 07:57:48 -07:00
xfs_icache.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_icreate_item.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_icreate_item.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_inode.c xfs: don't ever put nlink > 0 inodes on the unlinked list 2019-02-14 22:42:57 -08:00
xfs_inode.h xfs: cache unlinked pointers in an rhashtable 2019-02-11 16:07:01 -08:00
xfs_inode_item.c xfs: remove if_real_bytes 2018-07-30 07:57:48 -07:00
xfs_inode_item.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ioctl.c xfs: Fix error code in 'xfs_ioc_getbmap()' 2018-11-06 07:50:50 -08:00
xfs_ioctl.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ioctl32.c xfs: Fix x32 ioctls when cmd numbers differ from ia32. 2018-12-18 10:55:21 -08:00
xfs_ioctl32.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_iomap.c xfs: rework breaking of shared extents in xfs_file_iomap_begin 2019-02-25 09:26:18 -08:00
xfs_iomap.h xfs: fix SEEK_DATA for speculative COW fork preallocation 2019-02-21 07:55:07 -08:00
xfs_iops.c xfs: fix reporting supported extra file attributes for statx() 2019-03-01 08:57:25 -08:00
xfs_iops.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_itable.c xfs: precalculate inodes and blocks per inode cluster 2018-12-12 08:47:17 -08:00
xfs_itable.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_linux.h xfs: replace do_mod with native operations 2018-06-08 10:07:52 -07:00
xfs_log.c xfs: fix a comment in xfs_log_reserve 2018-08-03 08:17:54 -07:00
xfs_log.h xfs: refactor log recovery check 2018-08-01 07:40:48 -07:00
xfs_log_cil.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_log_priv.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_log_recover.c xfs: fix xfs_buf magic number endian checks 2019-02-18 09:38:41 -08:00
xfs_message.c xfs: print buffer offsets when dumping corrupt buffers 2018-11-06 07:50:50 -08:00
xfs_message.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_mount.c xfs: cache unlinked pointers in an rhashtable 2019-02-11 16:07:01 -08:00
xfs_mount.h xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_mru_cache.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_mru_cache.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ondisk.h xfs: compile time offset checks for common v4/v5 metadata 2019-02-11 16:07:01 -08:00
xfs_pnfs.c xfs: make xfs_bmbt_to_iomap more useful 2019-02-21 07:55:07 -08:00
xfs_pnfs.h xfs: prepare xfs_break_layouts() for another layout type 2018-05-22 07:19:08 -07:00
xfs_qm.c xfs: clean up IRELE/iput callsites 2018-07-26 10:15:16 -07:00
xfs_qm.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_qm_bhv.c fs/xfs: fix f_ffree value for statfs when project quota is set 2018-11-26 15:01:37 -08:00
xfs_qm_syscalls.c xfs: clean up IRELE/iput callsites 2018-07-26 10:15:16 -07:00
xfs_quota.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_quotaops.c xfs: clean up IRELE/iput callsites 2018-07-26 10:15:16 -07:00
xfs_refcount_item.c xfs: pass transaction to xfs_defer_add() 2018-08-02 23:05:14 -07:00
xfs_refcount_item.h xfs: use transaction for intent recovery instead of raw dfops 2018-08-02 23:05:13 -07:00
xfs_reflink.c xfs: fix uninitialized error variables 2019-02-25 10:16:41 -08:00
xfs_reflink.h xfs: don't pass iomap flags to xfs_reflink_allocate_cow 2019-02-25 09:04:31 -08:00
xfs_rmap_item.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_rmap_item.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_rtalloc.c xfs: reallocate realtime summary cache on growfs 2018-12-21 18:45:18 -08:00
xfs_rtalloc.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_stats.c xfs: use offsetof() in place of offset macros for __xfsstats 2018-10-18 17:21:39 +11:00
xfs_stats.h xfs: use offsetof() in place of offset macros for __xfsstats 2018-10-18 17:21:39 +11:00
xfs_super.c xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_super.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_symlink.c xfs: zero length symlinks are not valid 2018-12-12 08:47:15 -08:00
xfs_symlink.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_sysctl.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_sysctl.h xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_sysfs.c xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_sysfs.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trace.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trace.h xfs: merge COW handling into xfs_file_iomap_begin_delay 2019-02-21 07:55:07 -08:00
xfs_trans.c xfs: avoid lockdep false positives in xfs_trans_alloc 2018-09-29 13:46:21 +10:00
xfs_trans.h xfs: const-ify xfs_owner_info arguments 2018-12-12 08:47:16 -08:00
xfs_trans_ail.c xfs: clear ail delwri queued bufs on unmount of shutdown fs 2018-10-18 17:21:49 +11:00
xfs_trans_bmap.c xfs: remove duplicated xfs_defer.h 2019-02-11 16:07:00 -08:00
xfs_trans_buf.c xfs: clarify documentation for the function to reverify buffers 2019-02-11 16:07:01 -08:00
xfs_trans_dquot.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trans_extfree.c xfs: remove duplicated xfs_defer.h 2019-02-11 16:07:00 -08:00
xfs_trans_inode.c vfs/y2038: inode timestamps conversion to timespec64 2018-06-15 07:31:07 +09:00
xfs_trans_priv.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trans_refcount.c xfs: remove duplicated xfs_defer.h 2019-02-11 16:07:00 -08:00
xfs_trans_rmap.c xfs: remove duplicated xfs_defer.h 2019-02-11 16:07:00 -08:00
xfs_xattr.c xfs: don't overflow xattr listent buffer 2019-02-14 09:36:52 -08:00