VisionFive2 Linux kernel

author: Joel Fernandes (Google) <joel@joelfernandes.org> 2019-09-25 16:48:20 -0700 committer: Linus Torvalds <torvalds@linux-foundation.org> 2019-09-25 17:51:41 -0700 commit: 984035ad7b247ccc62b06e113eea3fc673f114cc parent: c231740dd95e854de5034cff8f49737d942bc098

Commit Summary:

ipc/sem.c: convert to use built-in RCU list checking

Diffstat:

1 file changed, 2 insertions, 1 deletion

diff --git a/ipc/sem.c b/ipc/sem.c
index 7da4504bcc7c..ec97a7072413 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1852,7 +1852,8 @@ static struct sem_undo *__lookup_undo(struct sem_undo_list *ulp, int semid)
 {
 	struct sem_undo *un;
 
-	list_for_each_entry_rcu(un, &ulp->list_proc, list_proc) {
+	list_for_each_entry_rcu(un, &ulp->list_proc, list_proc,
+				spin_is_locked(&ulp->lock)) {
 		if (un->semid == semid)
 			return un;
 	}