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-rw-r--r--net/ipv4/ip_gre.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 906cb1a..e7821ba 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -266,20 +266,24 @@ static struct ip_tunnel * ipgre_tunnel_locate(struct ip_tunnel_parm *parms, int
if (!dev)
return NULL;
+ if (strchr(name, '%')) {
+ if (dev_alloc_name(dev, name) < 0)
+ goto failed_free;
+ }
+
dev->init = ipgre_tunnel_init;
nt = netdev_priv(dev);
nt->parms = *parms;
- if (register_netdevice(dev) < 0) {
- free_netdev(dev);
- goto failed;
- }
+ if (register_netdevice(dev) < 0)
+ goto failed_free;
dev_hold(dev);
ipgre_tunnel_link(nt);
return nt;
-failed:
+failed_free:
+ free_netdev(dev);
return NULL;
}