drm: prime: fix refcounting on the dmabuf import error path
In commit be8a42ae we inroduced a refcount problem, where on the drm_gem_prime_fd_to_handle() error path we'll call dma_buf_put() for self imported dma buffers. Fix this by taking a reference on the dma buffer in the .gem_import hook instead of assuming the caller had taken one. Besides fixing the bug this is also more logical. Signed-off-by:Imre Deak <imre.deak@intel.com> Cc: stable@vger.kernel.org Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Dave Airlie <airlied@redhat.com>
parent
219b4733
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