From: Pavel Begunkov <asml.silence@gmail.com>
Date: Fri, 25 Mar 2022 11:52:16 +0000 (+0000)
Subject: io_uring: silence io_for_each_link() warning
X-Git-Tag: for-5.19/io_uring-2022-05-22~99
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=963c6abbb4e4ee3d00ca7992f751c49b38b07e68;p=linux-2.6-block.git

io_uring: silence io_for_each_link() warning

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>
---

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 4c4b81d691a9..ef95829c9ae1 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -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;
 }