[PATCH] aio: fix failure to put the file pointer

[Jens Axboe <axboe@kernel.dk>]

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>

diff --git a/fs/aio.c b/fs/aio.c
index b36691268b6c..9075571e673f 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1436,7 +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);
-			return ret;
+			goto err;
 		}
 
 		req->ki_ioprio = iocb->aio_reqprio;
@@ -1444,6 +1444,7 @@ static int aio_prep_rw(struct kiocb *req, struct iocb *iocb)
 		req->ki_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
 
 	ret = kiocb_set_rw_flags(req, iocb->aio_rw_flags);
+err:
 	if (unlikely(ret))
 		fput(req->ki_filp);
 	return ret;

-- 
Jens Axboe