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

[Krasnov Arseniy <AVKrasnov@sberdevices.ru>]

On 16.02.2023 16:40, Stefano Garzarella wrote:
> On Mon, Feb 06, 2023 at 06:53:22AM +0000, Arseniy Krasnov wrote:
>> If socket's error queue is not empty, EPOLLERR must be set.
> 
> Could this patch go regardless of this series?
> 
> Can you explain (even in the commit message) what happens without this
> patch?

Sure! Thanks

> 
> Thanks,
> Stefano
> 
>>
>> Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
>> ---
>> 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
>