From: Jens Axboe <axboe@kernel.dk>
Date: Sat, 17 Nov 2018 14:43:42 +0000 (-0700)
Subject: aio: fix failure to put the file pointer
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=53fffe29a9e664a999dd3787e4428da8c30533e0;p=openwrt%2Fstaging%2Fblogic.git

aio: fix failure to put the file pointer

If the ioprio capability check fails, we return without putting
the file pointer.

Fixes: d9a08a9e616b ("fs: Add aio iopriority support")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/aio.c b/fs/aio.c
index 301e6314183b..97f983592925 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1436,6 +1436,7 @@ static int aio_prep_rw(struct kiocb *req, struct iocb *iocb)
 		ret = ioprio_check_cap(iocb->aio_reqprio);
 		if (ret) {
 			pr_debug("aio ioprio check cap error: %d\n", ret);
+			fput(req->ki_filp);
 			return ret;
 		}