From: Pavel Begunkov asml.silence@gmail.com
mainline inclusion from mainline-5.6-rc1 commit 9250f9ee194dc3dcee28a42a1533fa2cc0edd215 category: feature bugzilla: https://bugzilla.openeuler.org/show_bug.cgi?id=27 CVE: NA ---------------------------
It won't ever get into io_prep_rw() when req->file haven't been set in io_req_set_file(), hence remove the check.
Signed-off-by: Pavel Begunkov asml.silence@gmail.com Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: yangerkun yangerkun@huawei.com Reviewed-by: zhangyi (F) yi.zhang@huawei.com Signed-off-by: Cheng Jian cj.chengjian@huawei.com --- fs/io_uring.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c index 63261cd05831..e21e647ae30a 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1857,9 +1857,6 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe, unsigned ioprio; int ret;
- if (!req->file) - return -EBADF; - if (S_ISREG(file_inode(req->file)->i_mode)) req->flags |= REQ_F_ISREG;