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authorIngo Molnar <mingo@kernel.org>2014-06-06 07:55:06 +0200
committerIngo Molnar <mingo@kernel.org>2014-06-06 07:55:06 +0200
commitec00010972a0971b2c1da4fbe4e5c7d8ed1ecb05 (patch)
treec28975d7daf6d8a3aa23afe8f42837b71105b269 /net/batman-adv/gateway_client.c
parent8c6e549a447c51f4f8c0ba7f1e444469f75a354a (diff)
parente041e328c4b41e1db79bfe5ba9992c2ed771ad19 (diff)
Merge branch 'perf/urgent' into perf/core, to resolve conflict and to prepare for new patches
Conflicts: arch/x86/kernel/traps.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/batman-adv/gateway_client.c')
-rw-r--r--net/batman-adv/gateway_client.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index c835e137423b..90cff585b37d 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -42,8 +42,10 @@
static void batadv_gw_node_free_ref(struct batadv_gw_node *gw_node)
{
- if (atomic_dec_and_test(&gw_node->refcount))
+ if (atomic_dec_and_test(&gw_node->refcount)) {
+ batadv_orig_node_free_ref(gw_node->orig_node);
kfree_rcu(gw_node, rcu);
+ }
}
static struct batadv_gw_node *
@@ -406,9 +408,14 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
if (gateway->bandwidth_down == 0)
return;
+ if (!atomic_inc_not_zero(&orig_node->refcount))
+ return;
+
gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
- if (!gw_node)
+ if (!gw_node) {
+ batadv_orig_node_free_ref(orig_node);
return;
+ }
INIT_HLIST_NODE(&gw_node->list);
gw_node->orig_node = orig_node;