Bluetooth: Coding style fix

1. Add space when needed;
2. Block comments style fix;
3. Move open brace '{' following function definitions to the next line;
4. Remove unnecessary braces '{}' for single statement blocks.
Signed-off-by: Meng Yu <yumeng18@huawei.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/6lowpan.c

@@ -205,8 +205,7 @@ static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_btle_dev *dev,
 		}
 	}
 
-	/* use the neighbour cache for matching addresses assigned by SLAAC
-	*/
+	/* use the neighbour cache for matching addresses assigned by SLAAC */
 	neigh = __ipv6_neigh_lookup(dev->netdev, nexthop);
 	if (neigh) {
 		list_for_each_entry_rcu(peer, &dev->peers, list) {

net/bluetooth/hci_debugfs.c

@@ -274,7 +274,7 @@ static ssize_t use_debug_keys_read(struct file *file, char __user *user_buf,
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS) ? 'Y': 'N';
+	buf[0] = hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS) ? 'Y' : 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -292,7 +292,7 @@ static ssize_t sc_only_mode_read(struct file *file, char __user *user_buf,
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = hci_dev_test_flag(hdev, HCI_SC_ONLY) ? 'Y': 'N';
+	buf[0] = hci_dev_test_flag(hdev, HCI_SC_ONLY) ? 'Y' : 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -428,7 +428,7 @@ static ssize_t ssp_debug_mode_read(struct file *file, char __user *user_buf,
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = hdev->ssp_debug_mode ? 'Y': 'N';
+	buf[0] = hdev->ssp_debug_mode ? 'Y' : 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -742,7 +742,7 @@ static ssize_t force_static_address_read(struct file *file,
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ? 'Y': 'N';
+	buf[0] = hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ? 'Y' : 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);

net/bluetooth/hci_event.c

@@ -5891,7 +5891,7 @@ static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
 			params->conn_latency = latency;
 			params->supervision_timeout = timeout;
 			store_hint = 0x01;
-		} else{
+		} else {
 			store_hint = 0x00;
 		}
 

net/bluetooth/hci_request.c

@@ -1647,9 +1647,8 @@ static u8 create_default_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
 {
 	u8 scan_rsp_len = 0;
 
-	if (hdev->appearance) {
+	if (hdev->appearance)
 		scan_rsp_len = append_appearance(hdev, ptr, scan_rsp_len);
-	}
 
 	return append_local_name(hdev, ptr, scan_rsp_len);
 }
@@ -1667,9 +1666,8 @@ static u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 instance,
 
 	instance_flags = adv_instance->flags;
 
-	if ((instance_flags & MGMT_ADV_FLAG_APPEARANCE) && hdev->appearance) {
+	if ((instance_flags & MGMT_ADV_FLAG_APPEARANCE) && hdev->appearance)
 		scan_rsp_len = append_appearance(hdev, ptr, scan_rsp_len);
-	}
 
 	memcpy(&ptr[scan_rsp_len], adv_instance->scan_rsp_data,
 	       adv_instance->scan_rsp_len);

net/bluetooth/l2cap_core.c

@@ -652,7 +652,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
 	if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state))
 		return;
 
-	switch(chan->mode) {
+	switch (chan->mode) {
 	case L2CAP_MODE_BASIC:
 		break;
 
@@ -7770,7 +7770,8 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)
 	return conn;
 }
 
-static bool is_valid_psm(u16 psm, u8 dst_type) {
+static bool is_valid_psm(u16 psm, u8 dst_type)
+{
 	if (!psm)
 		return false;