Bluetooth: Remove unnecessary use of hci_dev_list_lock

The get_connections function has no need to use hci_dev_list_lock. The
code was there probably because of a copy-paste mistake.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

net/bluetooth/mgmt.c

@@ -1092,8 +1092,6 @@ static int get_connections(struct sock *sk, u16 index)
 
 	put_unaligned_le16(count, &rp->conn_count);
 
-	read_lock(&hci_dev_list_lock);
-
 	i = 0;
 	list_for_each(p, &hdev->conn_hash.list) {
 		struct hci_conn *c = list_entry(p, struct hci_conn, list);
@@ -1101,8 +1099,6 @@ static int get_connections(struct sock *sk, u16 index)
 		bacpy(&rp->conn[i++], &c->dst);
 	}
 
-	read_unlock(&hci_dev_list_lock);
-
 	err = cmd_complete(sk, index, MGMT_OP_GET_CONNECTIONS, rp, rp_len);
 
 unlock: