Merge branch 'thermal' into release

[karo-tx-linux.git] / net / llc / af_llc.c

diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 582612998211d24aa8d4aea919eed1ba1e994db3..e35dbe55f5201c7a8b4b61ffe382766e4abadcb8 100644 (file)
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -317,8 +317,9 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
                goto out;
        rc = -ENODEV;
        rtnl_lock();
+       rcu_read_lock();
        if (sk->sk_bound_dev_if) {
-               llc->dev = dev_get_by_index(&init_net, sk->sk_bound_dev_if);
+               llc->dev = dev_get_by_index_rcu(&init_net, sk->sk_bound_dev_if);
                if (llc->dev) {
                        if (!addr->sllc_arphrd)
                                addr->sllc_arphrd = llc->dev->type;
@@ -329,13 +330,13 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
                            !llc_mac_match(addr->sllc_mac,
                                           llc->dev->dev_addr)) {
                                rc = -EINVAL;
-                               dev_put(llc->dev);
                                llc->dev = NULL;
                        }
                }
        } else
                llc->dev = dev_getbyhwaddr(&init_net, addr->sllc_arphrd,
                                           addr->sllc_mac);
+       rcu_read_unlock();
        rtnl_unlock();
        if (!llc->dev)
                goto out;