diff options
author | Chris Wilson <[email protected]> | 2017-08-19 13:05:58 +0100 |
---|---|---|
committer | Joonas Lahtinen <[email protected]> | 2017-08-22 16:03:43 +0300 |
commit | fe4600a548f2763dec91b3b27a1245c370ceee2a (patch) | |
tree | aa34827d35580d03bebbb1dad9bf0483e5e80242 | |
parent | a0ffc51e20e90e0c1c2491de2b4b03f48b6caaba (diff) |
drm: Release driver tracking before making the object available again
This is the same bug as we fixed in commit f6cd7daecff5 ("drm: Release
driver references to handle before making it available again"), but now
the exposure is via the PRIME lookup tables. If we remove the
object/handle from the PRIME lut, then a new request for the same
object/fd will generate a new handle, thus for a short window that
object is known to userspace by two different handles. Fix this by
releasing the driver tracking before PRIME.
Fixes: 0ff926c7d4f0 ("drm/prime: add exported buffers to current fprivs
imported buffer list (v2)")
Signed-off-by: Chris Wilson <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Rob Clark <[email protected]>
Cc: Ville Syrjälä <[email protected]>
Cc: Thierry Reding <[email protected]>
Cc: [email protected]
Reviewed-by: Daniel Vetter <[email protected]>
Signed-off-by: Joonas Lahtinen <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
-rw-r--r-- | drivers/gpu/drm/drm_gem.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 8dc11064253d..cdaac37907b1 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -255,13 +255,13 @@ drm_gem_object_release_handle(int id, void *ptr, void *data) struct drm_gem_object *obj = ptr; struct drm_device *dev = obj->dev; + if (dev->driver->gem_close_object) + dev->driver->gem_close_object(obj, file_priv); + if (drm_core_check_feature(dev, DRIVER_PRIME)) drm_gem_remove_prime_handles(obj, file_priv); drm_vma_node_revoke(&obj->vma_node, file_priv); - if (dev->driver->gem_close_object) - dev->driver->gem_close_object(obj, file_priv); - drm_gem_object_handle_put_unlocked(obj); return 0; |