diff options
| author | Jiejing Zhang <kzjeef@gmail.com> | 2011-04-07 20:37:06 +0800 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-04-13 12:20:03 -0300 |
| commit | 78b4a56c28c096a1eb02f1d864eb450eb910e43d (patch) | |
| tree | 74d4fd7f19aa4bb496c58ce036019e7deca666c6 /drivers/bluetooth/hci_ldisc.c | |
| parent | e1ba1f15469903b6f443fbf00f069d169e3fba6d (diff) | |
Bluetooth: hci_uart: check the return value of recv()
Check the return value of hu->proto->recv() in hci_uart_tty_receive()
the recv() may return error, check it, not add this to statistics.
Signed-off-by: Jiejing Zhang <jiejing.zhang@freescale.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'drivers/bluetooth/hci_ldisc.c')
| -rw-r--r-- | drivers/bluetooth/hci_ldisc.c | 6 |
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); |