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-rw-r--r--fs/aio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 9f807a541fbe..40517f35daae 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -978,7 +978,8 @@ int fastcall aio_complete(struct kiocb *iocb, long res, long res2)
tail = info->tail;
event = aio_ring_event(info, tail, KM_IRQ0);
- tail = (tail + 1) % info->nr;
+ if (++tail >= info->nr)
+ tail = 0;
event->obj = (u64)(unsigned long)iocb->ki_obj.user;
event->data = iocb->ki_user_data;