[NET]: add+use poison defines

Add and use poison defines in net/.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/poison.h

@@ -45,6 +45,10 @@
 /********** drivers/atm/ **********/
 #define ATM_POISON_FREE		0x12
 
+/********** net/ **********/
+#define NEIGHBOR_DEAD		0xdeadbeef
+#define NETFILTER_LINK_POISON	0xdead57ac
+
 /********** kernel/mutexes **********/
 #define MUTEX_DEBUG_INIT	0x11
 #define MUTEX_DEBUG_FREE	0x22

net/atm/clip.c

@@ -23,6 +23,7 @@
 #include <linux/if.h> /* for IFF_UP */
 #include <linux/inetdevice.h>
 #include <linux/bitops.h>
+#include <linux/poison.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/rcupdate.h>
@@ -266,7 +267,7 @@ static void clip_neigh_destroy(struct neighbour *neigh)
 	DPRINTK("clip_neigh_destroy (neigh %p)\n", neigh);
 	if (NEIGH2ENTRY(neigh)->vccs)
 		printk(KERN_CRIT "clip_neigh_destroy: vccs != NULL !!!\n");
-	NEIGH2ENTRY(neigh)->vccs = (void *) 0xdeadbeef;
+	NEIGH2ENTRY(neigh)->vccs = (void *) NEIGHBOR_DEAD;
 }
 
 static void clip_neigh_solicit(struct neighbour *neigh, struct sk_buff *skb)

net/ipv6/netfilter/ip6_tables.c

@@ -25,6 +25,7 @@
 #include <linux/vmalloc.h>
 #include <linux/netdevice.h>
 #include <linux/module.h>
+#include <linux/poison.h>
 #include <linux/icmpv6.h>
 #include <net/ipv6.h>
 #include <asm/uaccess.h>
@@ -376,7 +377,7 @@ ip6t_do_table(struct sk_buff **pskb,
 	} while (!hotdrop);
 
 #ifdef CONFIG_NETFILTER_DEBUG
-	((struct ip6t_entry *)table_base)->comefrom = 0xdead57ac;
+	((struct ip6t_entry *)table_base)->comefrom = NETFILTER_LINK_POISON;
 #endif
 	read_unlock_bh(&table->lock);