io_uring: kill io_poll_issue's PF_EXITING check

We don't need to worry about checking PF_EXITING in io_poll_issue().
task works using the function should take care of it and never try to
resubmit / retry if the task is dying.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/2e9dc998dc07507c759a0c9cb5d2fbea0710d58c.1669821213.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index adecdf6..15d285d 100644 (file)
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1808,8 +1808,6 @@ static int io_issue_sqe(struct io_kiocb *req, unsigned int issue_flags)
 int io_poll_issue(struct io_kiocb *req, bool *locked)
 {
        io_tw_lock(req->ctx, locked);
-       if (unlikely(req->task->flags & PF_EXITING))
-               return -EFAULT;
        return io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_MULTISHOT|
                                 IO_URING_F_COMPLETE_DEFER);
 }