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io_uring: fix wrong arm_poll error handling 

Leaving ip.error set when a request was punted to task_work execution is
problematic, don't forget to clear it.

Fixes: aa43477b04 ("io_uring: poll rework")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/a6c84ef4182c6962380aebe11b35bdcb25b0ccfb.1655852245.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2022-06-22 00:00:36 +01:00 committed by Jens Axboe
parent c487a5ad48
commit 9d2ad2947a
1 changed files with 1 additions and 0 deletions
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1
fs/io_uring.c
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@ -7145,6 +7145,7 @@ static int __io_arm_poll_handler(struct io_kiocb *req,
if (unlikely(ipt->error || !ipt->nr_entries)) {
poll->events |= EPOLLONESHOT;
req->apoll_events |= EPOLLONESHOT;
ipt->error = 0;
}
__io_poll_execute(req, mask, poll->events);
return 0;