diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 4f1e37b4f780..f2f37143c454 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -811,7 +811,7 @@ static int rtl_download_firmware(struct hci_dev *hdev,
 	struct sk_buff *skb;
 	struct hci_rp_read_local_version *rp;
 
-	dl_cmd = kmalloc(sizeof(struct rtl_download_cmd), GFP_KERNEL);
+	dl_cmd = kmalloc(sizeof(*dl_cmd), GFP_KERNEL);
 	if (!dl_cmd)
 		return -ENOMEM;
 
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 17a2f158a0df..30192bb08354 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -488,7 +488,7 @@ static int hci_uart_tty_open(struct tty_struct *tty)
 	if (tty->ops->write == NULL)
 		return -EOPNOTSUPP;
 
-	hu = kzalloc(sizeof(struct hci_uart), GFP_KERNEL);
+	hu = kzalloc(sizeof(*hu), GFP_KERNEL);
 	if (!hu) {
 		BT_ERR("Can't allocate control structure");
 		return -ENFILE;
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 9a0bc86f9aac..2f47267508d5 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -569,7 +569,7 @@ static int qca_open(struct hci_uart *hu)
 	if (!hci_uart_has_flow_control(hu))
 		return -EOPNOTSUPP;
 
-	qca = kzalloc(sizeof(struct qca_data), GFP_KERNEL);
+	qca = kzalloc(sizeof(*qca), GFP_KERNEL);
 	if (!qca)
 		return -ENOMEM;
 
@@ -1040,8 +1040,7 @@ static void qca_controller_memdump(struct work_struct *work)
 		}
 
 		if (!qca_memdump) {
-			qca_memdump = kzalloc(sizeof(struct qca_memdump_info),
-					      GFP_ATOMIC);
+			qca_memdump = kzalloc(sizeof(*qca_memdump), GFP_ATOMIC);
 			if (!qca_memdump) {
 				mutex_unlock(&qca->hci_memdump_lock);
 				return;
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 28750a40f0ed..c4046f8f1985 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -633,7 +633,7 @@ static int vhci_open(struct inode *inode, struct file *file)
 {
 	struct vhci_data *data;
 
-	data = kzalloc(sizeof(struct vhci_data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;