[PATCH nf-next v2 08/10] netfilter: bitwise: only offload boolean operations.

[Jeremy Sowden <jeremy@xxxxxxxxxx>]

Only boolean operations supports offloading, so check the type of the
operation and return an error for other types.

Signed-off-by: Jeremy Sowden <jeremy@xxxxxxxxxx>
---
 net/netfilter/nft_bitwise.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c
index 40272a45deeb..1d9079ba2102 100644
--- a/net/netfilter/nft_bitwise.c
+++ b/net/netfilter/nft_bitwise.c
@@ -190,6 +190,9 @@ static int nft_bitwise_offload(struct nft_offload_ctx *ctx,
 	    priv->sreg != priv->dreg || priv->len != reg->len)
 		return -EOPNOTSUPP;
 
+	if (priv->op != NFT_BITWISE_BOOL)
+		return -EOPNOTSUPP;
+
 	memcpy(&reg->mask, &priv->mask, sizeof(priv->mask));
 
 	return 0;
-- 
2.24.1