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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>
This commit is contained in:
Pavel Begunkov 2020-10-18 10:17:41 +01:00 committed by Jens Axboe
parent 2c3bac6dd6
commit 069b89384d
1 changed files with 0 additions and 2 deletions
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2
fs/io_uring.c
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@ -5347,8 +5347,6 @@ static int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe
return -EINVAL; return -EINVAL;
if (sqe->addr || sqe->ioprio || sqe->off || sqe->len || sqe->buf_index) if (sqe->addr || sqe->ioprio || sqe->off || sqe->len || sqe->buf_index)
return -EINVAL; return -EINVAL;
if (!poll->file)
return -EBADF;
events = READ_ONCE(sqe->poll32_events); events = READ_ONCE(sqe->poll32_events);
#ifdef __BIG_ENDIAN #ifdef __BIG_ENDIAN