diff options
Diffstat (limited to 'net/ipv6/route.c')
| -rw-r--r-- | net/ipv6/route.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 52cd3eff31dc..c2438e8cb9d0 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -40,6 +40,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/nsproxy.h> +#include <linux/slab.h> #include <net/net_namespace.h> #include <net/snmp.h> #include <net/ipv6.h> @@ -879,7 +880,7 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie) rt = (struct rt6_info *) dst; - if (rt && rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie)) + if (rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie)) return dst; return NULL; @@ -890,12 +891,17 @@ static struct dst_entry *ip6_negative_advice(struct dst_entry *dst) struct rt6_info *rt = (struct rt6_info *) dst; if (rt) { - if (rt->rt6i_flags & RTF_CACHE) - ip6_del_rt(rt); - else + if (rt->rt6i_flags & RTF_CACHE) { + if (rt6_check_expired(rt)) { + ip6_del_rt(rt); + dst = NULL; + } + } else { dst_release(dst); + dst = NULL; + } } - return NULL; + return dst; } static void ip6_link_failure(struct sk_buff *skb) |