diff options
| author | Binyi Han <dantengknight@gmail.com> | 2022-09-04 00:46:47 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-11 16:22:31 -0700 |
| commit | 4eb5bbde3ccb710d3b85bfb13466612e56393369 (patch) | |
| tree | 8c2e0c17aba9d747a01b4e8777aa9850e60eb8a6 /mm/khugepaged.c | |
| parent | 36a3b14b5febdaf0e7f70c4ca6f62c8ea75fabfe (diff) | |
mm: fix dereferencing possible ERR_PTR
Smatch checker complains that 'secretmem_mnt' dereferencing possible
ERR_PTR(). Let the function return if 'secretmem_mnt' is ERR_PTR, to
avoid deferencing it.
Link: https://lkml.kernel.org/r/20220904074647.GA64291@cloud-MacBookPro
Fixes: 1507f51255c9f ("mm: introduce memfd_secret system call to create "secret" memory areas")
Signed-off-by: Binyi Han <dantengknight@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foudation.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Cc: Hagen Paul Pfeifer <hagen@jauu.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/khugepaged.c')
0 files changed, 0 insertions, 0 deletions