Commit 8b2faf1a authored by Bob Zhou's avatar Bob Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add error handle to avoid out-of-bounds 



if the sdma_v4_0_irq_id_to_seq return -EINVAL, the process should
be stop to avoid out-of-bounds read, so directly return -EINVAL.

Signed-off-by: default avatarBob Zhou <bob.zhou@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarLe Ma <le.ma@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2e55bcf3

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

+3 −0
Original line number Diff line number Diff line
@@ -2021,6 +2021,9 @@ static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev, 


	DRM_DEBUG("IH: SDMA trap\n");

	instance = sdma_v4_0_irq_id_to_seq(entry->client_id);

	if (instance < 0)

		return instance;



	switch (entry->ring_id) {

	case 0:

		amdgpu_fence_process(&adev->sdma.instance[instance].ring);