diff options
Diffstat (limited to 'include/linux/ptr_ring.h')
| -rw-r--r-- | include/linux/ptr_ring.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h index 3a19ebdcef14..1883d6137e9b 100644 --- a/include/linux/ptr_ring.h +++ b/include/linux/ptr_ring.h @@ -114,7 +114,7 @@ static inline int __ptr_ring_produce(struct ptr_ring *r, void *ptr) /* Pairs with smp_read_barrier_depends in __ptr_ring_consume. */ smp_wmb(); - r->queue[r->producer++] = ptr; + WRITE_ONCE(r->queue[r->producer++], ptr); if (unlikely(r->producer >= r->size)) r->producer = 0; return 0; @@ -173,7 +173,7 @@ static inline int ptr_ring_produce_bh(struct ptr_ring *r, void *ptr) static inline void *__ptr_ring_peek(struct ptr_ring *r) { if (likely(r->size)) - return r->queue[r->consumer_head]; + return READ_ONCE(r->queue[r->consumer_head]); return NULL; } |