Commit 9ec22d7c authored by Florian Westphal's avatar Florian Westphal Committed by Pablo Neira Ayuso

netfilter: nft_tunnel: ERSPAN_VERSION must not be null

Fixes: af308b94 ("netfilter: nf_tables: add tunnel support")
Signed-off-by: default avatarFlorian Westphal <fw@strlen.de>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 1c702bf9
...@@ -266,6 +266,9 @@ static int nft_tunnel_obj_erspan_init(const struct nlattr *attr, ...@@ -266,6 +266,9 @@ static int nft_tunnel_obj_erspan_init(const struct nlattr *attr,
if (err < 0) if (err < 0)
return err; return err;
if (!tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION])
return -EINVAL;
version = ntohl(nla_get_be32(tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION])); version = ntohl(nla_get_be32(tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION]));
switch (version) { switch (version) {
case ERSPAN_VERSION: case ERSPAN_VERSION:
......
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