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-rw-r--r--net/netlabel/netlabel_unlabeled.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index a547c6320eb..d282ad1570a 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -1339,6 +1339,10 @@ static int netlbl_unlabel_staticlist_gen(u32 cmd,
if (iface->ifindex > 0) {
dev = dev_get_by_index(&init_net, iface->ifindex);
+ if (!dev) {
+ ret_val = -ENODEV;
+ goto list_cb_failure;
+ }
ret_val = nla_put_string(cb_arg->skb,
NLBL_UNLABEL_A_IFACE, dev->name);
dev_put(dev);