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Commit cdadab89 authored by Emily Deng's avatar Emily Deng Committed by Alex Deucher
Browse files

drm/amdgpu: Fix null pointer issue in amdgpu_cs_wait_any_fence 



The array[first] may be null when the fence has already been signaled.

BUG: SWDEV-136239

Signed-off-by: default avatarEmily Deng <Emily.Deng@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ab6613b7

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

+5 −2
Original line number Diff line number Diff line
@@ -1497,8 +1497,11 @@ static int amdgpu_cs_wait_any_fence(struct amdgpu_device *adev, 
	memset(wait, 0, sizeof(*wait));

	wait->out.status = (r > 0);

	wait->out.first_signaled = first;

	/* set return value 0 to indicate success */



	if (array[first])

		r = array[first]->error;

	else

		r = 0;



err_free_fence_array:

	for (i = 0; i < fence_count; i++)