diff options
Diffstat (limited to 'include/linux/ptr_ring.h')
| -rw-r--r-- | include/linux/ptr_ring.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h index 6894976b54e3..8da46ac44a2e 100644 --- a/include/linux/ptr_ring.h +++ b/include/linux/ptr_ring.h @@ -26,7 +26,6 @@ #include <linux/cache.h> #include <linux/types.h> #include <linux/compiler.h> -#include <linux/cache.h> #include <linux/slab.h> #include <asm/errno.h> #endif @@ -573,6 +572,8 @@ static inline void **__ptr_ring_swap_queue(struct ptr_ring *r, void **queue, else if (destroy) destroy(ptr); + if (producer >= size) + producer = 0; __ptr_ring_set_size(r, size); r->producer = producer; r->consumer_head = 0; |