X-Git-Url: https://bbs.cooldavid.org/git/?a=blobdiff_plain;f=include%2Flinux%2Finetdevice.h;h=2b86eaf11773fd80cb58d4b4e19b2640ae833dae;hb=ca7479ebbd9f7621646bf2792cb7143647f035bb;hp=ccd5b07d678deb8a61ff759ba943dceae6bf1507;hpb=4b37ba90f49d4157ac5628f8d730d3505f176724;p=net-next-2.6.git

diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index ccd5b07d678..2b86eaf1177 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -41,10 +41,12 @@ enum
 	__IPV4_DEVCONF_MAX
 };
 
+#define IPV4_DEVCONF_MAX (__IPV4_DEVCONF_MAX - 1)
+
 struct ipv4_devconf {
 	void	*sysctl;
-	int	data[__IPV4_DEVCONF_MAX - 1];
-	DECLARE_BITMAP(state, __IPV4_DEVCONF_MAX - 1);
+	int	data[IPV4_DEVCONF_MAX];
+	DECLARE_BITMAP(state, IPV4_DEVCONF_MAX);
 };
 
 struct in_device {
@@ -52,9 +54,8 @@ struct in_device {
 	atomic_t		refcnt;
 	int			dead;
 	struct in_ifaddr	*ifa_list;	/* IP ifaddr chain		*/
-	rwlock_t		mc_list_lock;
-	struct ip_mc_list	*mc_list;	/* IP multicast filter chain    */
-	int			mc_count;	          /* Number of installed mcasts	*/
+	struct ip_mc_list __rcu	*mc_list;	/* IP multicast filter chain    */
+	int			mc_count;	/* Number of installed mcasts	*/
 	spinlock_t		mc_tomb_lock;
 	struct ip_mc_list	*mc_tomb;
 	unsigned long		mr_v1_seen;
@@ -91,7 +92,7 @@ static inline void ipv4_devconf_set(struct in_device *in_dev, int index,
 
 static inline void ipv4_devconf_setall(struct in_device *in_dev)
 {
-	bitmap_fill(in_dev->cnf.state, __IPV4_DEVCONF_MAX - 1);
+	bitmap_fill(in_dev->cnf.state, IPV4_DEVCONF_MAX);
 }
 
 #define IN_DEV_CONF_GET(in_dev, attr) \