[CRIU] [PATCH] sysctl: don't stop on a non-existent sysctl (v2)

[Andrew Vagin]

On Tue, Dec 08, 2015 at 11:48:10AM +0300, Andrey Vagin wrote:
> From: Andrey Vagin <avagin at openvz.org>
> 
> We need to increment req, if we met a non-existent sysctl
> 
> v2: typo fix

Andrey Ryabinin already sent the same patch.

The second patch from this series is still valid.
> 
> Reported-by: Mr Jenkins
> Signed-off-by: Andrey Vagin <avagin at openvz.org>
> ---
>  sysctl.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/sysctl.c b/sysctl.c
> index fb9293b..819ad7c 100644
> --- a/sysctl.c
> +++ b/sysctl.c
> @@ -362,8 +362,10 @@ static int __nonuserns_sysctl_op(struct sysctl_req *req, size_t nr_req, int op)
>  
>  		fd = openat(dir, req->name, flags);
>  		if (fd < 0) {
> -			if (errno == ENOENT && (req->flags & CTL_FLAGS_OPTIONAL))
> +			if (errno == ENOENT && (req->flags & CTL_FLAGS_OPTIONAL)) {
> +				req++;
>  				continue;
> +			}
>  			pr_perror("Can't open sysctl %s", req->name);
>  			goto out;
>  		}
> -- 
> 2.4.3
>