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Commit d919ad49 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: fix dereference before check 



Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: default avatarMonk Liu <monk.liu@amd.com>
parent d2edb07b

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

+4 −2
Original line number Diff line number Diff line
@@ -138,9 +138,9 @@ void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib) 
int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,

		       struct amdgpu_ib *ibs, void *owner)

{

	struct amdgpu_ring *ring;

	struct amdgpu_vm *vm = ibs->vm;

	struct amdgpu_ib *ib = &ibs[0];

	struct amdgpu_ring *ring;

	struct amdgpu_vm *vm;

	unsigned i;

	int r = 0;
@@ -148,6 +148,8 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs, 
		return -EINVAL;



	ring = ibs->ring;

	vm = ibs->vm;



	if (!ring->ready) {

		dev_err(adev->dev, "couldn't schedule ib\n");

		return -EINVAL;