Reviewed-by: Felix Kuehling <[email protected]> ________________________________________ From: amd-gfx <[email protected]> on behalf of Christian König <[email protected]> Sent: Thursday, February 7, 2019 5:43 AM To: [email protected] Subject: [PATCH] drm/amdgpu: fix NULL ptr dref in the VM code
The exclusive fence is of course perfectly optional here. Signed-off-by: Christian König <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 5c935009091a..5d7c191044fc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1787,9 +1787,11 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, return r; /* Wait for any BO move to be completed */ - r = dma_fence_wait(exclusive, true); - if (unlikely(r)) - return r; + if (exclusive) { + r = dma_fence_wait(exclusive, true); + if (unlikely(r)) + return r; + } params.func = amdgpu_vm_cpu_set_ptes; params.pages_addr = pages_addr; -- 2.17.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
