diff options
| -rw-r--r-- | net/core/dev.c | 2 | ||||
| -rw-r--r-- | net/llc/af_llc.c | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index c01511e3d0c1..37c881070963 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -574,6 +574,8 @@ struct net_device *dev_getbyhwaddr(unsigned short type, char *ha) return dev; } +EXPORT_SYMBOL(dev_getbyhwaddr); + struct net_device *dev_getfirstbyhwtype(unsigned short type) { struct net_device *dev; diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index a75b8f2aab19..0607cd3fd12c 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -296,6 +296,12 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen) rc = -EAFNOSUPPORT; if (unlikely(addr->sllc_family != AF_LLC)) goto out; + rc = -ENODEV; + rtnl_lock(); + llc->dev = dev_getbyhwaddr(addr->sllc_arphrd, addr->sllc_mac); + rtnl_unlock(); + if (!llc->dev) + goto out; if (!addr->sllc_sap) { rc = -EUSERS; addr->sllc_sap = llc_ui_autoport(); |