* re: drm/gem: Check locking in drm_gem_object_unreference
@ 2015-10-17 6:33 Dan Carpenter
0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2015-10-17 6:33 UTC (permalink / raw)
To: daniel.vetter; +Cc: dri-devel
Hello Daniel Vetter,
This is a semi-automatic email about new static checker warnings.
The patch 5771551c4877: "drm/gem: Check locking in
drm_gem_object_unreference" from Oct 15, 2015, leads to the following
Smatch complaint:
include/drm/drm_gem.h:147 drm_gem_object_unreference()
warn: variable dereferenced before check 'obj' (see line 145)
include/drm/drm_gem.h
144 {
145 WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex));
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
deref.
146
147 if (obj != NULL)
check.
148 kref_put(&obj->refcount, drm_gem_object_free);
149 }
regards,
dan carpenter
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2015-10-17 6:34 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-10-17 6:33 drm/gem: Check locking in drm_gem_object_unreference Dan Carpenter
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.