From: Erik Gilling <[email protected]> Previously fence's pts were freed before the were the fence was removed from the global fence list. This led to a race with the debugfs support where it would iterate over sync_pts that had been freed.
Cc: Maarten Lankhorst <[email protected]> Cc: Erik Gilling <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Rob Clark <[email protected]> Cc: Sumit Semwal <[email protected]> Cc: Greg KH <[email protected]> Cc: [email protected] Cc: Android Kernel Team <[email protected]> Signed-off-by: Erik Gilling <[email protected]> Signed-off-by: John Stultz <[email protected]> --- drivers/staging/android/sync.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c index 6739a84..2afbd69 100644 --- a/drivers/staging/android/sync.c +++ b/drivers/staging/android/sync.c @@ -520,12 +520,12 @@ static int sync_fence_release(struct inode *inode, struct file *file) struct sync_fence *fence = file->private_data; unsigned long flags; - sync_fence_free_pts(fence); - spin_lock_irqsave(&sync_fence_list_lock, flags); list_del(&fence->sync_fence_list); spin_unlock_irqrestore(&sync_fence_list_lock, flags); + sync_fence_free_pts(fence); + kfree(fence); return 0; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
