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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.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 320f71803a2..b3f01996318 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -355,26 +355,29 @@ static void hci_uart_tty_wakeup(struct tty_struct *tty)
* flags pointer to flags for data
* count count of received data in bytes
*
- * Return Value: None
+ * Return Value: Number of bytes received
*/
-static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data, char *flags, int count)
+static unsigned int hci_uart_tty_receive(struct tty_struct *tty,
+ const u8 *data, char *flags, int count)
{
- int ret;
struct hci_uart *hu = (void *)tty->disc_data;
+ int received;
if (!hu || tty != hu->tty)
- return;
+ return -ENODEV;
if (!test_bit(HCI_UART_PROTO_SET, &hu->flags))
- return;
+ return -EINVAL;
spin_lock(&hu->rx_lock);
- ret = hu->proto->recv(hu, (void *) data, count);
- if (ret > 0)
- hu->hdev->stat.byte_rx += count;
+ received = hu->proto->recv(hu, (void *) data, count);
+ if (received > 0)
+ hu->hdev->stat.byte_rx += received;
spin_unlock(&hu->rx_lock);
tty_unthrottle(tty);
+
+ return received;
}
static int hci_uart_register_dev(struct hci_uart *hu)