[AX.25]: Fix unchecked nr_add_node uses. (58bc5747) · Commits · 戴 / test

net/netrom/nr_route.c

+8 −3

Original line number	Diff line number	Diff line
		@@ -779,9 +779,13 @@ int nr_route_frame(struct sk_buff skb, ax25_cb ax25)
		nr_src = (ax25_address *)(skb->data + 0);
		nr_dest = (ax25_address *)(skb->data + 7);

		if (ax25 != NULL)
		nr_add_node(nr_src, "", &ax25->dest_addr, ax25->digipeat,
		ax25->ax25_dev->dev, 0, sysctl_netrom_obsolescence_count_initialiser);
		if (ax25 != NULL) {
		ret = nr_add_node(nr_src, "", &ax25->dest_addr, ax25->digipeat,
		ax25->ax25_dev->dev, 0,
		sysctl_netrom_obsolescence_count_initialiser);
		if (ret)
		return ret;
		}

		if ((dev = nr_dev_get(nr_dest)) != NULL) { /* Its for me */
		if (ax25 == NULL) /* Its from me */
		@@ -846,6 +850,7 @@ int nr_route_frame(struct sk_buff skb, ax25_cb ax25)
		ret = (nr_neigh->ax25 != NULL);
		nr_node_unlock(nr_node);
		nr_node_put(nr_node);

		return ret;
		}