[CRIU] [PATCH 15/18] sk-unix: Don't warn if nothing to unlink

[Kirill Tkhai]

On 12.04.2017 16:58, Cyrill Gorcunov wrote:
> If socket is not present when we're cleaning
> it up, don't spam log with a message.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
> ---
>  criu/sk-unix.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/criu/sk-unix.c b/criu/sk-unix.c
> index c7aa3099c00c..6178dd97312c 100644
> --- a/criu/sk-unix.c
> +++ b/criu/sk-unix.c
> @@ -1386,7 +1386,7 @@ static void unlink_stale(struct unix_sk_info *ui)
>  		return;
>  
>  	ret = unlinkat(AT_FDCWD, ui->name, 0) ? -1 : 0;

It's not a question to your patch, but Q in general list: what if there is a regular file
on the place of deleted unix socket?

> -	if (ret < 0) {
> +	if (ret < 0 && errno != ENOENT) {
>  		pr_warn("Can't unlink stale socket %#x peer %#x (name %s dir %s)\n",
>  			ui->ue->ino, ui->ue->peer,
>  			ui->name ? (ui->name[0] ? ui->name : &ui->name[1]) : "-",
>