[CRIU] [PATCH] soccr: Print errors in send_fin

[Andrei Vagin]

On Mon, Apr 03, 2017 at 09:09:10PM +0300, Pavel Emelyanov wrote:
> 
> Signed-off-by: Pavel Emelyanov <xemul at virtuozzo.com>
> 
> ---
>  soccr/soccr.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/soccr/soccr.c b/soccr/soccr.c
> index 70f9935..fda602e 100644
> --- a/soccr/soccr.c
> +++ b/soccr/soccr.c
> @@ -564,11 +564,15 @@ static int send_fin(struct libsoccr_sk *sk, struct libsoccr_sk_data *data,
>  		libnet_type,		/* injection type */
>  		NULL,			/* network interface */
>  		errbuf);		/* errbuf */
> -	if (l == NULL)
> +	if (l == NULL) {
> +		loge("libnet_init failed (%s)\n", errbuf);
>  		return -1;
> +	}
>  
> -	if (setsockopt(l->fd, SOL_SOCKET, SO_MARK, &mark, sizeof(mark)))
> +	if (setsockopt(l->fd, SOL_SOCKET, SO_MARK, &mark, sizeof(mark))) {
> +		loge("Can't set SO_MARK (%d) for socket\n", mark);

you need to use logerr to print errno

>  		goto err;
> +	}
>  
>  	ret = libnet_build_tcp(
>  		ntohs(sk->dst_addr->v4.sin_port),		/* source port */
> -- 
> 2.5.5
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