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authorWang Qing <wangqing@vivo.com>2022-02-14 18:01:56 -0800
committerMarcel Holtmann <marcel@holtmann.org>2022-02-24 21:05:21 +0100
commit2e8ecb4bbc13d4752d64a9f8f5512d59125cab25 (patch)
tree5fa9e9dc25e26db5a57d2ed994ab27c424ddda3e /net
parent29fb608396d6a62c1b85acc421ad7a4399085b9f (diff)
downloadlinux-2e8ecb4bbc13d4752d64a9f8f5512d59125cab25.tar.gz
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>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/mgmt_util.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
index edee60bbc7b4..37eef2ce55ae 100644
--- 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 */