From 069b89384d77c8972a8aa12588e74507714159d4 Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Sun, 18 Oct 2020 10:17:41 +0100
Subject: [PATCH] io_uring: remove extra ->file check in poll prep

io_poll_add_prep() doesn't need to verify ->file because it's already
done in io_init_req().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/io_uring.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 620a11f9795a..9f65ec8a78fe 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5347,8 +5347,6 @@ static int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe
 		return -EINVAL;
 	if (sqe->addr || sqe->ioprio || sqe->off || sqe->len || sqe->buf_index)
 		return -EINVAL;
-	if (!poll->file)
-		return -EBADF;
 
 	events = READ_ONCE(sqe->poll32_events);
 #ifdef __BIG_ENDIAN