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Diffstat (limited to 'net/ipv4/ipmr.c')
-rw-r--r--net/ipv4/ipmr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 630a56df7b4..99508d66a64 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -483,8 +483,10 @@ static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock)
return -EINVAL;
}
- if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
+ if ((in_dev = __in_dev_get_rtnl(dev)) == NULL) {
+ dev_put(dev);
return -EADDRNOTAVAIL;
+ }
IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
ip_rt_multicast_event(in_dev);