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Diffstat (limited to 'net/netfilter/xt_tcpmss.c')
-rw-r--r--net/netfilter/xt_tcpmss.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/netfilter/xt_tcpmss.c b/net/netfilter/xt_tcpmss.c
index d7a5b27fe81e..6771bf01275b 100644
--- a/net/netfilter/xt_tcpmss.c
+++ b/net/netfilter/xt_tcpmss.c
@@ -31,9 +31,11 @@ tcpmss_mt(const struct sk_buff *skb, const struct net_device *in,
bool *hotdrop)
{
const struct xt_tcpmss_match_info *info = matchinfo;
- struct tcphdr _tcph, *th;
+ const struct tcphdr *th;
+ struct tcphdr _tcph;
/* tcp.doff is only 4 bits, ie. max 15 * 4 bytes */
- u8 _opt[15 * 4 - sizeof(_tcph)], *op;
+ const u_int8_t *op;
+ u8 _opt[15 * 4 - sizeof(_tcph)];
unsigned int i, optlen;
/* If we don't have the whole header, drop packet. */