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io_uring: clean poll tw PF_EXITING handling
When we meet PF_EXITING in io_poll_check_events(), don't overcomplicate the code with io_poll_mark_cancelled() but just return -ECANCELED and the callers will deal with the rest. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/f0cc981af82a5b193658f8f44397eeb3bf838b7b.1650056133.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -5902,7 +5902,7 @@ static int io_poll_check_events(struct io_kiocb *req, bool locked)
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/* req->task == current here, checking PF_EXITING is safe */
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if (unlikely(req->task->flags & PF_EXITING))
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io_poll_mark_cancelled(req);
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return -ECANCELED;
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do {
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v = atomic_read(&req->poll_refs);
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