diff options
Diffstat (limited to 'kernel/lib/llist.c')
| -rw-r--r-- | kernel/lib/llist.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/lib/llist.c b/kernel/lib/llist.c index 0b0e9779d..ae5872b1d 100644 --- a/kernel/lib/llist.c +++ b/kernel/lib/llist.c @@ -66,12 +66,12 @@ struct llist_node *llist_del_first(struct llist_head *head) { struct llist_node *entry, *old_entry, *next; - entry = head->first; + entry = smp_load_acquire(&head->first); for (;;) { if (entry == NULL) return NULL; old_entry = entry; - next = entry->next; + next = READ_ONCE(entry->next); entry = cmpxchg(&head->first, old_entry, next); if (entry == old_entry) break; |