aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorStanley.Yang <[email protected]>2023-09-27 16:22:29 +0800
committerAlex Deucher <[email protected]>2023-10-09 16:52:46 -0400
commit80285ae1ec8717b597b20de38866c29d84d321a1 (patch)
tree4600c790785a6b026f5544c3f8de54f65f1d696d
parent098c13079c6fdd44f10586b69132c392ebf87450 (diff)
drm/amdgpu: Fix potential null pointer derefernce
The amdgpu_ras_get_context may return NULL if device not support ras feature, so add check before using. Signed-off-by: Stanley.Yang <[email protected]> Reviewed-by: Tao Zhou <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 0cb702c3046a..d5b81a086e69 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5438,7 +5438,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
* Flush RAM to disk so that after reboot
* the user can read log and see why the system rebooted.
*/
- if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) {
+ if (need_emergency_restart && amdgpu_ras_get_context(adev) &&
+ amdgpu_ras_get_context(adev)->reboot) {
DRM_WARN("Emergency reboot.");
ksys_sync_helper();