From 9d2ad2947a53abf5e5e6527a9eeed50a3a4cbc72 Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Wed, 22 Jun 2022 00:00:36 +0100
Subject: [PATCH] io_uring: fix wrong arm_poll error handling
Git-commit: 9d2ad2947a53abf5e5e6527a9eeed50a3a4cbc72
Patch-mainline: v5.19-rc4
References: bsc#1205205

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

Fixes: aa43477b04025 ("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>
Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
---
 fs/io_uring.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index d5ea3c6167b5..cb719a53b8bd 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -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;
-- 
2.35.3