From: Pavel Begunkov <asml.silence@gmail.com>
Date: Wed, 13 Nov 2019 21:59:19 +0000 (+0300)
Subject: io_uring: Fix getting file for timeout
X-Git-Tag: v5.4-rc8~11^2~4
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=5683e5406e94ae1bfb0d9516a18fdb281d0f8d1d;p=tomoyo%2Ftomoyo-test1.git

io_uring: Fix getting file for timeout

For timeout requests io_uring tries to grab a file with specified fd,
which is usually stdin/fd=0.
Update io_op_needs_file()

Signed-off-by: Pavel Begunkov <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 87beca4377f7..57ea54d5b0fb 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -2298,6 +2298,7 @@ static bool io_op_needs_file(const struct io_uring_sqe *sqe)
 	switch (op) {
 	case IORING_OP_NOP:
 	case IORING_OP_POLL_REMOVE:
+	case IORING_OP_TIMEOUT:
 		return false;
 	default:
 		return true;