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authorThomas Gleixner <tglx@linutronix.de>2017-06-20 22:08:32 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-20 22:08:32 +0200
commitb50fb7c99217922ea36d6e38bae34d84c0587cad (patch)
tree5f46167ac7fe5cd87bbed8ca8644f32befc5bbae /net/ipv4/route.c
parent04c848d398797a626608ff48804d809ae6687163 (diff)
parent41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff)
Merge branch 'linus' into irq/core
Get upstream changes so pending patches won't conflict.
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 655d9eebe43e..6883b3d4ba8f 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1385,8 +1385,12 @@ static void rt_add_uncached_list(struct rtable *rt)
static void ipv4_dst_destroy(struct dst_entry *dst)
{
+ struct dst_metrics *p = (struct dst_metrics *)DST_METRICS_PTR(dst);
struct rtable *rt = (struct rtable *) dst;
+ if (p != &dst_default_metrics && atomic_dec_and_test(&p->refcnt))
+ kfree(p);
+
if (!list_empty(&rt->rt_uncached)) {
struct uncached_list *ul = rt->rt_uncached_list;
@@ -1438,7 +1442,11 @@ static void rt_set_nexthop(struct rtable *rt, __be32 daddr,
rt->rt_gateway = nh->nh_gw;
rt->rt_uses_gateway = 1;
}
- dst_init_metrics(&rt->dst, fi->fib_metrics, true);
+ dst_init_metrics(&rt->dst, fi->fib_metrics->metrics, true);
+ if (fi->fib_metrics != &dst_default_metrics) {
+ rt->dst._metrics |= DST_METRICS_REFCOUNTED;
+ atomic_inc(&fi->fib_metrics->refcnt);
+ }
#ifdef CONFIG_IP_ROUTE_CLASSID
rt->dst.tclassid = nh->nh_tclassid;
#endif