drm/amdgpu: avoid null pointer dereference
null ptr should be checked first to avoid null ptr access
Signed-off-by: Guchun Chen <[email protected]>
Reviewed-by: Tao Zhou <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 24fecaa..83b681a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1336,13 +1336,13 @@ static int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
struct ras_err_handler_data *data;
- struct amdgpu_ras_eeprom_control *control =
- &adev->psp.ras.ras->eeprom_control;
+ struct amdgpu_ras_eeprom_control *control;
int save_count;
if (!con || !con->eh_data)
return 0;
+ control = &con->eeprom_control;
data = con->eh_data;
save_count = data->count - control->num_recs;
/* only new entries are saved */
