ipv4: remove set but unused variable sha

unsigned char *sha (source) was already in original git version
 but was never used.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 648fa14..a896da5 100644 (file)
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -498,7 +498,7 @@ ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
        struct arphdr *rarp;
        unsigned char *rarp_ptr;
        __be32 sip, tip;
-       unsigned char *sha, *tha;               /* s for "source", t for "target" */
+       unsigned char *tha;             /* t for "target" */
        struct ic_device *d;
 
        if (!net_eq(dev_net(dev), &init_net))
@@ -549,7 +549,6 @@ ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
                goto drop_unlock;       /* should never happen */
 
        /* Extract variable-width fields */
-       sha = rarp_ptr;
        rarp_ptr += dev->addr_len;
        memcpy(&sip, rarp_ptr, 4);
        rarp_ptr += 4;