[PATCH] sunrpc: cache_register can use wrong module reference

[linux-2.6] / net / ipv4 / route.c

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 726ea5e8180a1275e58ebc919490f24516c37d14..8c0b14e3beecc761e08c684cea964720fd2b2b97 100644 (file)
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -240,7 +240,9 @@ static unsigned                     rt_hash_mask;
 static int                     rt_hash_log;
 static unsigned int            rt_hash_rnd;
 
-struct rt_cache_stat *rt_cache_stat;
+static struct rt_cache_stat *rt_cache_stat;
+#define RT_CACHE_STAT_INC(field)                                         \
+               (per_cpu_ptr(rt_cache_stat, raw_smp_processor_id())->field++)
 
 static int rt_intern_hash(unsigned hash, struct rtable *rth,
                                struct rtable **res);
@@ -1685,7 +1687,7 @@ static void ip_handle_martian_source(struct net_device *dev,
                printk(KERN_WARNING "martian source %u.%u.%u.%u from "
                        "%u.%u.%u.%u, on dev %s\n",
                        NIPQUAD(daddr), NIPQUAD(saddr), dev->name);
-               if (dev->hard_header_len) {
+               if (dev->hard_header_len && skb->mac.raw) {
                        int i;
                        unsigned char *p = skb->mac.raw;
                        printk(KERN_WARNING "ll header: ");
@@ -2600,6 +2602,8 @@ int __ip_route_output_key(struct rtable **rp, const struct flowi *flp)
        return ip_route_output_slow(rp, flp);
 }
 
+EXPORT_SYMBOL_GPL(__ip_route_output_key);
+
 int ip_route_output_flow(struct rtable **rp, struct flowi *flp, struct sock *sk, int flags)
 {
        int err;
@@ -2618,6 +2622,8 @@ int ip_route_output_flow(struct rtable **rp, struct flowi *flp, struct sock *sk,
        return 0;
 }
 
+EXPORT_SYMBOL_GPL(ip_route_output_flow);
+
 int ip_route_output_key(struct rtable **rp, struct flowi *flp)
 {
        return ip_route_output_flow(rp, flp, NULL, 0);