[RFC PATCH v1 01/12] vsock: check error queue to set EPOLLERR

From: Arseniy Krasnov
Date: Mon Feb 06 2023 - 01:53:38 EST


If socket's error queue is not empty, EPOLLERR must be set.

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

diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 19aea7cba26e..b5e51ef4a74c 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1026,7 +1026,7 @@ 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