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path: root/drivers/bluetooth/hci_ldisc.c
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Diffstat (limited to 'drivers/bluetooth/hci_ldisc.c')
-rw-r--r--drivers/bluetooth/hci_ldisc.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index ed0fade46aed..bc68a440d432 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -260,12 +260,12 @@ static int hci_uart_send_frame(struct sk_buff *skb)
/* ------ LDISC part ------ */
/* hci_uart_tty_open
- *
+ *
* Called when line discipline changed to HCI_UART.
*
* Arguments:
* tty pointer to tty info structure
- * Return Value:
+ * Return Value:
* 0 if success, otherwise error code
*/
static int hci_uart_tty_open(struct tty_struct *tty)
@@ -365,15 +365,15 @@ static void hci_uart_tty_wakeup(struct tty_struct *tty)
}
/* hci_uart_tty_receive()
- *
+ *
* Called by tty low level driver when receive data is
* available.
- *
+ *
* Arguments: tty pointer to tty isntance data
* data pointer to received data
* flags pointer to flags for data
* count count of received data in bytes
- *
+ *
* Return Value: None
*/
static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data, char *flags, int count)
@@ -388,7 +388,10 @@ static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data, char *f
spin_lock(&hu->rx_lock);
hu->proto->recv(hu, (void *) data, count);
- hu->hdev->stat.byte_rx += count;
+
+ if (hu->hdev)
+ hu->hdev->stat.byte_rx += count;
+
spin_unlock(&hu->rx_lock);
tty_unthrottle(tty);