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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.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 48ad2a7ab080..320f71803a2b 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -359,6 +359,7 @@ static void hci_uart_tty_wakeup(struct tty_struct *tty)
*/
static void 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;
if (!hu || tty != hu->tty)
@@ -368,8 +369,9 @@ static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data, char *f
return;
spin_lock(&hu->rx_lock);
- hu->proto->recv(hu, (void *) data, count);
- hu->hdev->stat.byte_rx += count;
+ ret = hu->proto->recv(hu, (void *) data, count);
+ if (ret > 0)
+ hu->hdev->stat.byte_rx += count;
spin_unlock(&hu->rx_lock);
tty_unthrottle(tty);