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netfilter: nft_socket: fix an unused variable warning 

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: e0bb96db96 ("netfilter: nft_socket: add support for cgroupsv2")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Arnd Bergmann 2021-04-27 21:45:18 +02:00 committed by Pablo Neira Ayuso
parent aaa31047a6
commit 8a7363f849
1 changed files with 5 additions and 2 deletions
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7
net/netfilter/nft_socket.c
View File

@ -134,7 +134,7 @@ static int nft_socket_init(const struct nft_ctx *ctx,
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;
@ -160,7 +160,9 @@ static int nft_socket_init(const struct nft_ctx *ctx,
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;
@ -171,6 +173,7 @@ static int nft_socket_init(const struct nft_ctx *ctx,
priv->level = level;
len = sizeof(u64);
break;
}
#endif
default:
return -EOPNOTSUPP;