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| author | Harry Wentland <harry.wentland@amd.com> | 2019-02-07 15:12:35 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-02-07 17:22:12 -0500 |
| commit | 0461221316ec21e0a535a35fba3feb6ba75706e6 (patch) | |
| tree | 68224e9fb3786fd302e8710063ac81e2811175ec /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | 7fbd31cceac0596c46394ea8745fe09b98d6ed79 (diff) | |
| download | lwn-0461221316ec21e0a535a35fba3feb6ba75706e6.tar.gz lwn-0461221316ec21e0a535a35fba3feb6ba75706e6.zip | |
drm/amd/display: Check hpd_gpio for NULL before accessing it
dal_gpio_open and dal_gpio_unlock_pin dereference hpd_gpio.
Check for NULL before calling those functions.
Fixes: ac627caf6b9275a ("drm/amd/display: add gpio lock/unlock")
Reported-by: Przemek Socha <soprwa@gmail.com>
CC: Chiawen Huang <chiawen.huang@amd.com>
CC: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
0 files changed, 0 insertions, 0 deletions