netfilter: nf_tables: support variable sized data in nft_data_init()
Add a size argument to nft_data_init() and pass in the available space.
This will be used by the following patches to support variable sized
set element data.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c
index ffaf214..e25b35d 100644
--- a/net/netfilter/nft_cmp.c
+++ b/net/netfilter/nft_cmp.c
@@ -75,7 +75,8 @@
struct nft_data_desc desc;
int err;
- err = nft_data_init(NULL, &priv->data, &desc, tb[NFTA_CMP_DATA]);
+ err = nft_data_init(NULL, &priv->data, sizeof(priv->data), &desc,
+ tb[NFTA_CMP_DATA]);
BUG_ON(err < 0);
priv->sreg = nft_parse_register(tb[NFTA_CMP_SREG]);
@@ -125,7 +126,8 @@
u32 mask;
int err;
- err = nft_data_init(NULL, &data, &desc, tb[NFTA_CMP_DATA]);
+ err = nft_data_init(NULL, &data, sizeof(data), &desc,
+ tb[NFTA_CMP_DATA]);
BUG_ON(err < 0);
priv->sreg = nft_parse_register(tb[NFTA_CMP_SREG]);
@@ -195,7 +197,8 @@
return ERR_PTR(-EINVAL);
}
- err = nft_data_init(NULL, &data, &desc, tb[NFTA_CMP_DATA]);
+ err = nft_data_init(NULL, &data, sizeof(data), &desc,
+ tb[NFTA_CMP_DATA]);
if (err < 0)
return ERR_PTR(err);