The variable is only used in an #ifdef, causing a harmless warning:
net/netfilter/nft_socket.c: In function 'nft_socket_init':
net/netfilter/nft_socket.c:137:27: error: unused variable 'level' [-Werror=unused-variable]
137 | unsigned int len, level;
| ^~~~~
Move it into the same #ifdef block.
Fixes: e0bb96db96f8 ("netfilter: nft_socket: add support for cgroupsv2")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
const struct nlattr * const tb[])
{
struct nft_socket *priv = nft_expr_priv(expr);
- unsigned int len, level;
+ unsigned int len;
if (!tb[NFTA_SOCKET_DREG] || !tb[NFTA_SOCKET_KEY])
return -EINVAL;
len = sizeof(u32);
break;
#ifdef CONFIG_CGROUPS
- case NFT_SOCKET_CGROUPV2:
+ case NFT_SOCKET_CGROUPV2: {
+ unsigned int level;
+
if (!tb[NFTA_SOCKET_LEVEL])
return -EINVAL;
priv->level = level;
len = sizeof(u64);
break;
+ }
#endif
default:
return -EOPNOTSUPP;