diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 85c487b..191ef75 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -371,7 +371,7 @@
    by themself???
  */
 
-	struct iphdr *iph = (struct iphdr*)skb->data;
+	struct iphdr *iph = (struct iphdr *)skb->data;
 	__be16	     *p = (__be16*)(skb->data+(iph->ihl<<2));
 	int grehlen = (iph->ihl<<2) + 4;
 	const int type = icmp_hdr(skb)->type;
@@ -632,7 +632,7 @@
 
 	if (dev->header_ops && dev->type == ARPHRD_IPGRE) {
 		gre_hlen = 0;
-		tiph = (struct iphdr*)skb->data;
+		tiph = (struct iphdr *)skb->data;
 	} else {
 		gre_hlen = tunnel->hlen;
 		tiph = &tunnel->parms.iph;
@@ -660,7 +660,7 @@
 			if (neigh == NULL)
 				goto tx_error;
 
-			addr6 = (struct in6_addr*)&neigh->primary_key;
+			addr6 = (struct in6_addr *)&neigh->primary_key;
 			addr_type = ipv6_addr_type(addr6);
 
 			if (addr_type == IPV6_ADDR_ANY) {
@@ -726,7 +726,7 @@
 	}
 #ifdef CONFIG_IPV6
 	else if (skb->protocol == htons(ETH_P_IPV6)) {
-		struct rt6_info *rt6 = (struct rt6_info*)skb->dst;
+		struct rt6_info *rt6 = (struct rt6_info *)skb->dst;
 
 		if (rt6 && mtu < dst_mtu(skb->dst) && mtu >= IPV6_MIN_MTU) {
 			if ((tunnel->parms.iph.daddr &&
@@ -800,7 +800,7 @@
 			iph->ttl = old_iph->ttl;
 #ifdef CONFIG_IPV6
 		else if (skb->protocol == htons(ETH_P_IPV6))
-			iph->ttl = ((struct ipv6hdr*)old_iph)->hop_limit;
+			iph->ttl = ((struct ipv6hdr *)old_iph)->hop_limit;
 #endif
 		else
 			iph->ttl = dst_metric(&rt->u.dst, RTAX_HOPLIMIT);
@@ -962,7 +962,7 @@
 					break;
 				}
 			} else {
-				unsigned nflags=0;
+				unsigned nflags = 0;
 
 				t = netdev_priv(dev);
 
@@ -1104,7 +1104,7 @@
 
 static int ipgre_header_parse(const struct sk_buff *skb, unsigned char *haddr)
 {
-	struct iphdr *iph = (struct iphdr*) skb_mac_header(skb);
+	struct iphdr *iph = (struct iphdr *) skb_mac_header(skb);
 	memcpy(haddr, &iph->saddr, 4);
 	return 4;
 }