diff options
| author | Jing Zhou <Jing.Zhou@amd.com> | 2022-03-10 17:20:41 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-03-15 14:41:48 -0400 |
| commit | 2716bc822e2325efed0731d6a6a7dff755dc34d7 (patch) | |
| tree | bead5c63c8b9909b4ee55cadbaace07e07fe9949 /drivers/gpu | |
| parent | 3a0625813bacf12bf188f8242b42b508af28baa0 (diff) | |
| download | linux-2716bc822e2325efed0731d6a6a7dff755dc34d7.tar.bz2 | |
drm/amd/display: Add null pointer filter
[Why & How]
Add null pointer filter for logical integrity.
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Jing Zhou <Jing.Zhou@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c index dae8e489c8cf..778c206f754d 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c @@ -647,7 +647,9 @@ enum gpio_result dal_ddc_set_config( void dal_ddc_close( struct ddc *ddc) { - dal_gpio_close(ddc->pin_clock); - dal_gpio_close(ddc->pin_data); + if (ddc != NULL) { + dal_gpio_close(ddc->pin_clock); + dal_gpio_close(ddc->pin_data); + } } |