diff options
| -rw-r--r-- | include/linux/ptr_ring.h | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h index f17584680b79..3a19ebdcef14 100644 --- a/include/linux/ptr_ring.h +++ b/include/linux/ptr_ring.h @@ -466,12 +466,7 @@ static inline int ptr_ring_consume_batched_bh(struct ptr_ring *r, static inline void **__ptr_ring_init_queue_alloc(unsigned int size, gfp_t gfp) { - /* Allocate an extra dummy element at end of ring to avoid consumer head - * or produce head access past the end of the array. Possible when - * producer/consumer operations and __ptr_ring_peek operations run in - * parallel. - */ - return kcalloc(size + 1, sizeof(void *), gfp); + return kcalloc(size, sizeof(void *), gfp); } static inline void __ptr_ring_set_size(struct ptr_ring *r, int size) |