1 files changed, 1 insertions, 1 deletions

diff --git a/fs/io_uring.c b/fs/io_uring.c
index b35300e4c9a7..f65f85d89217 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -338,7 +338,7 @@ static struct io_uring_cqe *io_get_cqring(struct io_ring_ctx *ctx)
         tail = ctx->cached_cq_tail;
         /* See comment at the top of the file */
         smp_rmb();
-        if (tail + 1 == READ_ONCE(ring->r.head))
+        if (tail - READ_ONCE(ring->r.head) == ring->ring_entries)
                 return NULL;
 
         ctx->cached_cq_tail++;