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authorAnder Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>2015-03-30 14:05:43 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-03-30 16:52:09 +0200
commita0211bb482c346820506c546a6a58b8357999a99 (patch)
treeaa31defb713405879429c1aa9b96a92ba2970462 /drivers/gpu/drm/drm_atomic.c
parent8a5c0bde54ca0354ae8b7e9d37d17bc514aa6c42 (diff)
downloadop-kernel-dev-a0211bb482c346820506c546a6a58b8357999a99.zip
op-kernel-dev-a0211bb482c346820506c546a6a58b8357999a99.tar.gz
drm/atomic: Don't try to free a NULL state
Consistently with other free functions, handle the NULL case without oopsing. Cc: dri-devel@lists.freedesktop.org Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_atomic.c')
-rw-r--r--drivers/gpu/drm/drm_atomic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 00ea881..57efdbe 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -173,6 +173,9 @@ EXPORT_SYMBOL(drm_atomic_state_clear);
*/
void drm_atomic_state_free(struct drm_atomic_state *state)
{
+ if (!state)
+ return;
+
drm_atomic_state_clear(state);
DRM_DEBUG_ATOMIC("Freeing atomic state %p\n", state);
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