net: clean up net/ipv4/ip_fragment.c tcp_timer.c ip_input.c

Signed-off-by: Jianjun Kong <jianjun@zeuux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 8c495e3..1a3c37b 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -56,7 +56,7 @@
 	int			offset;
 };
 
-#define FRAG_CB(skb)	((struct ipfrag_skb_cb*)((skb)->cb))
+#define FRAG_CB(skb)	((struct ipfrag_skb_cb *)((skb)->cb))
 
 /* Describe an entry in the "incomplete datagrams" queue. */
 struct ipq {