netfilter: nft_quota: fix overquota logic

Use xor to decide to break further rule evaluation or not, since the
existing logic doesn't achieve the expected inversion.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2016-09-02 21:00:58 +02:00
parent 0d9932b287
commit db6d857b81

View File

@ -33,7 +33,7 @@ static void nft_quota_eval(const struct nft_expr *expr,
{
struct nft_quota *priv = nft_expr_priv(expr);
if (nft_quota(priv, pkt) < 0 && !priv->invert)
if ((nft_quota(priv, pkt) < 0) ^ priv->invert)
regs->verdict.code = NFT_BREAK;
}