[PATCH] fs/aio.c: fix wrong return value regression in __io_submit_one

[Murphy Zhou <jencce.kernel@xxxxxxxxx>]

Now it returns 0 when actually error happened, causing kernel hang easily.

Fixes: 7316b49 "aio: move sanity checks and request allocation to io_submit_one()"
Signed-off-by: Murphy Zhou <jencce.kernel@xxxxxxxxx>
---
 fs/aio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/aio.c b/fs/aio.c
index a4cc2a1cccb7..7ccecaab487a 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1794,7 +1794,7 @@ static int __io_submit_one(struct kioctx *ctx, const struct iocb *iocb,
 		 */
 		eventfd = eventfd_ctx_fdget(iocb->aio_resfd);
 		if (IS_ERR(eventfd))
-			return PTR_ERR(req->ki_eventfd);
+			return PTR_ERR(eventfd);
 
 		req->ki_eventfd = eventfd;
 	}
-- 
2.21.0