io_uring: fix double unlock for pbuf select

[linux-2.6-microblaze.git] / fs / io_uring.c

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 84b45ed..4719eae 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -3849,10 +3849,8 @@ static void __user *io_ring_buffer_select(struct io_kiocb *req, size_t *len,
        struct io_uring_buf *buf;
        __u32 head = bl->head;
 
-       if (unlikely(smp_load_acquire(&br->tail) == head)) {
-               io_ring_submit_unlock(req->ctx, issue_flags);
+       if (unlikely(smp_load_acquire(&br->tail) == head))
                return NULL;
-       }
 
        head &= bl->mask;
        if (head < IO_BUFFER_LIST_BUF_PER_PAGE) {