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authorLance Roy <ldr709@gmail.com>2018-10-04 23:45:44 -0700
committerPaul E. McKenney <paulmck@linux.ibm.com>2018-11-12 09:06:22 -0800
commit456a737896b25e4853bbf3d6ca5a1c8ee4df4ee9 (patch)
tree3927484a6afcb884753131e916e2c6f5160191f7 /fs/userfaultfd.c
parent97eeebea894283c290ead6694b76f575e7654773 (diff)
downloadlinux-456a737896b25e4853bbf3d6ca5a1c8ee4df4ee9.tar.bz2
userfaultfd: Replace spin_is_locked() with lockdep
lockdep_assert_held() is better suited to checking locking requirements, since it only checks if the current thread holds the lock regardless of whether someone else does. This is also a step towards possibly removing spin_is_locked(). Signed-off-by: Lance Roy <ldr709@gmail.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: <linux-fsdevel@vger.kernel.org> Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'fs/userfaultfd.c')
-rw-r--r--fs/userfaultfd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 356d2b8568c1..681881dc8a9d 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -926,7 +926,7 @@ static inline struct userfaultfd_wait_queue *find_userfault_in(
wait_queue_entry_t *wq;
struct userfaultfd_wait_queue *uwq;
- VM_BUG_ON(!spin_is_locked(&wqh->lock));
+ lockdep_assert_held(&wqh->lock);
uwq = NULL;
if (!waitqueue_active(wqh))