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authorJoonyoung Shim <jy0922.shim@samsung.com>2012-04-18 13:47:02 +0900
committerDave Airlie <airlied@redhat.com>2012-04-19 14:36:51 +0100
commitaef6a7eeac6fd867eda415f65a7f0247fb82baf4 (patch)
treeaf52dcf49550f4791e02296e49af1f0c6ca15536 /drivers
parentd6b8395262a9d90e4ab11b614a5fb8f858e2b3df (diff)
drm: fix page_flip error handling
Free event and restore event_space only when page_flip->flags has DRM_MODE_PAGE_FLIP_EVENT if page_flip() is failed. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/drm_crtc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d3aaeb6ae236..c79870a75c2f 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3335,10 +3335,12 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
ret = crtc->funcs->page_flip(crtc, fb, e);
if (ret) {
- spin_lock_irqsave(&dev->event_lock, flags);
- file_priv->event_space += sizeof e->event;
- spin_unlock_irqrestore(&dev->event_lock, flags);
- kfree(e);
+ if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
+ spin_lock_irqsave(&dev->event_lock, flags);
+ file_priv->event_space += sizeof e->event;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ kfree(e);
+ }
}
out: