On Mon, 2017-06-26 at 17:34 -0500, Gustavo A. R. Silva wrote:
> Value assigned to variable _ret_ at line 970 is overwritten either at
> line 986 or 988, before it can be used. This makes such variable
> assignment useless.
> 
> Addresses-Coverity-ID: 1226932
[]
> diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
[]
> @@ -967,7 +967,7 @@ static int get_info(struct net *net, void __user *user,
>               struct xt_table_info tmp;
>  
>               if (compat) {
> -                     ret = compat_table_info(private, &tmp);
> +                     compat_table_info(private, &tmp);

why isn't it more appropriate to test the return value?

>                       xt_compat_flush_offsets(AF_INET);
>                       private = &tmp;
>               }

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