netfilter: iptables: remove unused datalen variable

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

1 files changed, 0 insertions, 4 deletions

diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index fdefae6b5dfc..3856aa3f231e 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -315,7 +315,6 @@ ipt_do_table(struct sk_buff *skb,
 
         static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
         const struct iphdr *ip;
-        u_int16_t datalen;
         bool hotdrop = false;
         /* Initializing verdict to NF_DROP keeps gcc happy. */
         unsigned int verdict = NF_DROP;
@@ -328,7 +327,6 @@ ipt_do_table(struct sk_buff *skb,
 
         /* Initialization */
         ip = ip_hdr(skb);
-        datalen = skb->len - ip->ihl * 4;
         indev = in ? in->name : nulldevname;
         outdev = out ? out->name : nulldevname;
         /* We handle fragments by dealing with the first fragment as
@@ -427,8 +425,6 @@ ipt_do_table(struct sk_buff *skb,
 #endif
                 /* Target might have changed stuff. */
                 ip = ip_hdr(skb);
-                datalen = skb->len - ip->ihl * 4;
-
                 if (verdict == IPT_CONTINUE)
                         e = ipt_next_entry(e);
                 else