[dpdk-dev] [PATCH 1/3] vhost: add log if fails to bind a socket

[Xie, Huawei]

On 7/2/2015 11:33 AM, Ouyang, Changchun wrote:
> It adds more readable log info if a socket fails to bind to local device file 
> name.
local socket file, not device file. :).
>
> Signed-off-by: Changchun Ouyang <changchun.ouyang at intel.com>
> ---
>  lib/librte_vhost/vhost_user/vhost-net-user.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/lib/librte_vhost/vhost_user/vhost-net-user.c 
> b/lib/librte_vhost/vhost_user/vhost-net-user.c
> index 87a4711..f406a94 100644
> --- a/lib/librte_vhost/vhost_user/vhost-net-user.c
> +++ b/lib/librte_vhost/vhost_user/vhost-net-user.c
> @@ -122,8 +122,11 @@ uds_socket(const char *path)
>       un.sun_family = AF_UNIX;
>       snprintf(un.sun_path, sizeof(un.sun_path), "%s", path);
>       ret = bind(sockfd, (struct sockaddr *)&un, sizeof(un));
> -     if (ret == -1)
> +     if (ret == -1) {
> +             RTE_LOG(ERR, VHOST_CONFIG, "fail to bind fd:%d, remove file:%s 
> and try again.\n",
> +                     sockfd, path);
>               goto err;
> +     }
>       RTE_LOG(INFO, VHOST_CONFIG, "bind to %s\n", path);
>  
>       ret = listen(sockfd, MAX_VIRTIO_BACKLOG);