diff options
| author |   Imre Deak <imre.deak@intel.com> | 2013-04-19 11:11:56 +1000 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2013-05-01 09:40:21 +1000 |
| commit | 011c2282c74db120f01a8414edc66c3f217f5511 (patch) | |
| tree | 5e43eb6b5d21e8aa29e88f0398fcdd7ca55abdb5 /drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | |
| parent | drm/prime: keep a reference from the handle to exported dma-buf (v6) (diff) | |
| download | linux-dev-011c2282c74db120f01a8414edc66c3f217f5511.tar.xz linux-dev-011c2282c74db120f01a8414edc66c3f217f5511.zip | |
drm: prime: fix refcounting on the dmabuf import error path
In commit be8a42ae60 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>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c index 0682cb5c0150..be7cd97a0db0 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c @@ -212,7 +212,6 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, * refcount on gem itself instead of f_count of dmabuf. */ drm_gem_object_reference(obj); - dma_buf_put(buffer); return obj; } } |