[PATCH] drm/amdgpu: don't try to unreserve NULL pointer
Huang Rui
ray.huang at amd.com
Tue Sep 18 05:48:27 UTC 2018
On Mon, Sep 17, 2018 at 08:07:24PM +0200, Christian König wrote:
> Don't try to unreserve a BO we doesn't allocated.
>
> Fixes: 07012fdd497e drm/amdgpu: don't allocate zero sized kernel BOs
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
If we set size as 0 while create bo, the bo_ptr will be NULL after that.
Acked-by: Huang Rui <ray.huang at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> index 84d82d5382f9..c1387efc0c91 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> @@ -348,7 +348,8 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
> if (r)
> return r;
>
> - amdgpu_bo_unreserve(*bo_ptr);
> + if (*bo_ptr)
> + amdgpu_bo_unreserve(*bo_ptr);
>
> return 0;
> }
> --
> 2.14.1
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
More information about the amd-gfx
mailing list