Commit de2a02cc authored by Benjamin Cheng's avatar Benjamin Cheng Committed by Alex Deucher
Browse files

drm/amdgpu/vce: Prevent partial address patches 



In the case that only one of lo/hi is valid, the patching could result
in a bad address written to in FW.

Signed-off-by: default avatarBenjamin Cheng <benjamin.cheng@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 66085e20

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

+3 −0
Original line number Diff line number Diff line
@@ -680,6 +680,9 @@ static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, struct amdgpu_ib *ib, 
	uint64_t addr;

	int r;



	if (lo >= ib->length_dw || hi >= ib->length_dw)

		return -EINVAL;



	if (index == 0xffffffff)

		index = 0;