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| author | Jeff Layton <jlayton@redhat.com> | 2017-09-06 16:23:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-06 17:27:28 -0700 |
| commit | de23abd15175fb170270d485f267caebe86fb0b4 (patch) | |
| tree | dca2db2b3df4fb7b47b0e32f48baedcdd7ad0391 /fs/sync.c | |
| parent | 824f973904a1108806fa0fbe15dc93ee9ecd9e0a (diff) | |
| download | linux-stable-de23abd15175fb170270d485f267caebe86fb0b4.tar.gz linux-stable-de23abd15175fb170270d485f267caebe86fb0b4.tar.bz2 linux-stable-de23abd15175fb170270d485f267caebe86fb0b4.zip | |
fs/sync.c: remove unnecessary NULL f_mapping check in sync_file_range
fsync codepath assumes that f_mapping can never be NULL, but
sync_file_range has a check for that.
Remove the one from sync_file_range as I don't see how you'd ever get a
NULL pointer in here.
Link: http://lkml.kernel.org/r/20170525110509.9434-1-jlayton@redhat.com
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/sync.c')
| -rw-r--r-- | fs/sync.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/sync.c b/fs/sync.c index 2a54c1f22035..cf57f33fcd16 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -335,11 +335,6 @@ SYSCALL_DEFINE4(sync_file_range, int, fd, loff_t, offset, loff_t, nbytes, goto out_put; mapping = f.file->f_mapping; - if (!mapping) { - ret = -EINVAL; - goto out_put; - } - ret = 0; if (flags & SYNC_FILE_RANGE_WAIT_BEFORE) { ret = filemap_fdatawait_range(mapping, offset, endbyte); |