diff options
Diffstat (limited to 'net/ipv4/ipip.c')
| -rw-r--r-- | net/ipv4/ipip.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index da281581692..dbaed69de06 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -221,35 +221,31 @@ static struct ip_tunnel * ipip_tunnel_locate(struct ip_tunnel_parm *parms, int c if (parms->name[0]) strlcpy(name, parms->name, IFNAMSIZ); - else { - int i; - for (i=1; i<100; i++) { - sprintf(name, "tunl%d", i); - if (__dev_get_by_name(&init_net, name) == NULL) - break; - } - if (i==100) - goto failed; - } + else + sprintf(name, "tunl%%d"); dev = alloc_netdev(sizeof(*t), name, ipip_tunnel_setup); if (dev == NULL) return NULL; + if (strchr(name, '%')) { + if (dev_alloc_name(dev, name) < 0) + goto failed_free; + } + nt = netdev_priv(dev); dev->init = ipip_tunnel_init; nt->parms = *parms; - if (register_netdevice(dev) < 0) { - free_netdev(dev); - goto failed; - } + if (register_netdevice(dev) < 0) + goto failed_free; dev_hold(dev); ipip_tunnel_link(nt); return nt; -failed: +failed_free: + free_netdev(dev); return NULL; } |