io_uring: pass correct parameters to io_req_set_res

The two parameters of 'res' and 'cflags' are swapped, so fix it. Without this fix, 'ublk del' hangs forever. Cc: Pavel Begunkov <[email protected]> Fixes: de23077 ("io_uring: set completion results upfront") Signed-off-by: Ming Lei <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
kawasaki · Aug 3, 2022 · ff2557b · ff2557b
1 parent e2b5421
commit ff2557b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c
@@ -46,7 +46,7 @@ void io_uring_cmd_done(struct io_uring_cmd *ioucmd, ssize_t ret, ssize_t res2)
 	if (ret < 0)
 		req_set_fail(req);
 
-	io_req_set_res(req, 0, ret);
+	io_req_set_res(req, ret, 0);
 	if (req->ctx->flags & IORING_SETUP_CQE32)
 		io_req_set_cqe32_extra(req, res2, 0);
 	__io_req_complete(req, 0);