io_uring: silence io_for_each_link() warning
authorPavel Begunkov <asml.silence@gmail.com>
Fri, 25 Mar 2022 11:52:16 +0000 (11:52 +0000)
committerJens Axboe <axboe@kernel.dk>
Sun, 24 Apr 2022 23:34:19 +0000 (17:34 -0600)
Some tooling keep complaining about self assignment in
io_for_each_link(), the code is correct but still let's workaround it.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/f0de77b0b0f8309554ba6fba34327b7813bcc3ff.1648209006.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c

index 4c4b81d691a9ffb48347e3e0be3b0301cbbe4575..ef95829c9ae112a286564c473d063208ff0d8746 100644 (file)
@@ -6959,9 +6959,10 @@ static int io_req_prep_async(struct io_kiocb *req)
 static u32 io_get_sequence(struct io_kiocb *req)
 {
        u32 seq = req->ctx->cached_sq_head;
+       struct io_kiocb *cur;
 
        /* need original cached_sq_head, but it was increased for each req */
-       io_for_each_link(req, req)
+       io_for_each_link(cur, req)
                seq--;
        return seq;
 }