diff options
| author | Kangjie Lu <kjlu@umn.edu> | 2019-03-15 12:16:06 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-03 06:23:27 +0200 |
| commit | 13f6808ec2bb43cffafd3a24b01692676bdfccfc (patch) | |
| tree | 0cf9cf6dff64dac06768d77a8ee03bd2f00dd13d /tools/perf/scripts/python/bin | |
| parent | 21da2b461fbda5570e17e10269bb6ca739d099e4 (diff) | |
tty: atmel_serial: fix a potential NULL pointer dereference
commit c85be041065c0be8bc48eda4c45e0319caf1d0e5 upstream.
In case dmaengine_prep_dma_cyclic fails, the fix returns a proper
error code to avoid NULL pointer dereference.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Fixes: 34df42f59a60 ("serial: at91: add rx dma support")
Acked-by: Richard Genoud <richard.genoud@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions