[IPV4]: Fix route.c gcc4 warnings

Signed-off by: Chuck Short <zulcss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f4d53c9..80cf633 100644 (file)
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1767,7 +1767,7 @@ static inline int ip_mkroute_input_def(struct sk_buff *skb,
                                       struct in_device *in_dev,
                                       u32 daddr, u32 saddr, u32 tos)
 {
-       struct rtable* rth;
+       struct rtable* rth = NULL;
        int err;
        unsigned hash;
 
@@ -1794,7 +1794,7 @@ static inline int ip_mkroute_input(struct sk_buff *skb,
                                   u32 daddr, u32 saddr, u32 tos)
 {
 #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
-       struct rtable* rth;
+       struct rtable* rth = NULL;
        unsigned char hop, hopcount, lasthop;
        int err = -EINVAL;
        unsigned int hash;
@@ -2239,7 +2239,7 @@ static inline int ip_mkroute_output_def(struct rtable **rp,
                                        struct net_device *dev_out,
                                        unsigned flags)
 {
-       struct rtable *rth;
+       struct rtable *rth = NULL;
        int err = __mkroute_output(&rth, res, fl, oldflp, dev_out, flags);
        unsigned hash;
        if (err == 0) {
@@ -2267,7 +2267,7 @@ static inline int ip_mkroute_output(struct rtable** rp,
        unsigned char hop;
        unsigned hash;
        int err = -EINVAL;
-       struct rtable *rth;
+       struct rtable *rth = NULL;
 
        if (res->fi && res->fi->fib_nhs > 1) {
                unsigned char hopcount = res->fi->fib_nhs;