nl802154: fix Oops in ieee802154_nl_get_dev

[safe/jmp/linux-2.6] / net / ieee802154 / netlink.c

diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 105ad10..332b947 100644 (file)
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -276,6 +276,9 @@ static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
        else
                return NULL;
 
+       if (!dev)
+               return NULL;
+
        if (dev->type != ARPHRD_IEEE802154) {
                dev_put(dev);
                return NULL;