Pablo says, tprot_set is only there to detect if tprot was set to
IPPROTO_IP as that evaluates to zero. Therefore, code asserting a
different value in tprot does not need to check tprot_set.
Fixes: 935b7f6430188 ("netfilter: nft_exthdr: add TCP option matching")
Signed-off-by: Phil Sutter <phil@xxxxxx>
---
net/netfilter/nft_exthdr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nft_exthdr.c b/net/netfilter/nft_exthdr.c
index 9cf86be2cff4b..4f583d2e220e4 100644
--- a/net/netfilter/nft_exthdr.c
+++ b/net/netfilter/nft_exthdr.c
@@ -164,7 +164,7 @@ nft_tcp_header_pointer(const struct nft_pktinfo *pkt,
{
struct tcphdr *tcph;
- if (!pkt->tprot_set || pkt->tprot != IPPROTO_TCP)
+ if (pkt->tprot != IPPROTO_TCP)
return NULL;
tcph = skb_header_pointer(pkt->skb, nft_thoff(pkt), sizeof(*tcph), buffer);
--
2.31.1
