Re: [RFC PATCH v4 06/17] vsock: check error queue to set EPOLLERR

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On Sat, Jun 03, 2023 at 11:49:28PM +0300, Arseniy Krasnov wrote:
If socket's error queue is not empty, EPOLLERR must be set. Otherwise,
reader of error queue won't detect data in it using EPOLLERR bit.

Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>
---
net/vmw_vsock/af_vsock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

This patch looks like it can go even without this series.

Is it a fix? Should we add a fixes tag?

Thanks,
Stefano


diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index efb8a0937a13..45fd20c4ed50 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1030,7 +1030,7 @@ static __poll_t vsock_poll(struct file *file, struct socket *sock,
	poll_wait(file, sk_sleep(sk), wait);
	mask = 0;

-	if (sk->sk_err)
+	if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue))
		/* Signify that there has been an error on this socket. */
		mask |= EPOLLERR;

--
2.25.1


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