Bluetooth: assign len after null check

len should be assigned after a null check Signed-off-by: Wang Qing <wangqing@vivo.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
mariux64 · Feb 24, 2022 · 2e8ecb4 · 2e8ecb4
1 parent 29fb608
commit 2e8ecb4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
@@ -77,11 +77,12 @@ int mgmt_send_event_skb(unsigned short channel, struct sk_buff *skb, int flag,
 {
 	struct hci_dev *hdev;
 	struct mgmt_hdr *hdr;
-	int len = skb->len;
+	int len;
 
 	if (!skb)
 		return -EINVAL;
 
+	len = skb->len;
 	hdev = bt_cb(skb)->mgmt.hdev;
 
 	/* Time stamp */