diff options
Diffstat (limited to 'include/linux/ptr_ring.h')
| -rw-r--r-- | include/linux/ptr_ring.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h index ac377a23265f..597b84d4805b 100644 --- a/include/linux/ptr_ring.h +++ b/include/linux/ptr_ring.h @@ -384,6 +384,8 @@ static inline void **__ptr_ring_swap_queue(struct ptr_ring *r, void **queue, else if (destroy) destroy(ptr); + if (producer >= size) + producer = 0; r->size = size; r->producer = producer; r->consumer = 0; |