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| author | Jeff Layton <jlayton@redhat.com> | 2017-11-14 14:43:56 -0500 |
|---|---|---|
| committer | Jeff Layton <jlayton@redhat.com> | 2017-11-15 08:08:36 -0500 |
| commit | 9280a601e6080c9ff658468c1c775ff6514099a6 (patch) | |
| tree | 0a5dc48bc01349b5c46a24427cd75616e0bc2e51 /fs/fcntl.c | |
| parent | 4e897f5bb9af5a1d4da07ae0c6598c6ee4e08471 (diff) | |
| download | lwn-9280a601e6080c9ff658468c1c775ff6514099a6.tar.gz lwn-9280a601e6080c9ff658468c1c775ff6514099a6.zip | |
fcntl: don't leak fd reference when fixup_compat_flock fails
Currently we just return err here, but we need to put the fd reference
first.
Fixes: 94073ad77fff (fs/locks: don't mess with the address limit in compat_fcntl64)
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Diffstat (limited to 'fs/fcntl.c')
| -rw-r--r-- | fs/fcntl.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c index 30f47d0f74a0..e15bcc4265d0 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -632,9 +632,8 @@ COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd, if (err) break; err = fixup_compat_flock(&flock); - if (err) - return err; - err = put_compat_flock(&flock, compat_ptr(arg)); + if (!err) + err = put_compat_flock(&flock, compat_ptr(arg)); break; case F_GETLK64: case F_OFD_GETLK: |