From: Horst Schirmeier Date: Thu, 28 Jul 2005 13:32:20 +0000 (+0200) Subject: [PATCH] USB: pl2303_update_line_status data length fix X-Git-Tag: v2.6.16.28-rc1~1833^2~22^2~10^2~31 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=95f209f93663103db2a8fb989e226ac68a98b036;p=karo-tx-linux.git [PATCH] USB: pl2303_update_line_status data length fix Minimum data length must be UART_STATE + 1, as data[UART_STATE] is being accessed for the new line_state. Although PL-2303 hardware is not expected to send data with exactly UART_STATE length, this keeps it on the safe side. Signed-off-by: Horst Schirmeier Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index c96ba9fc19e0..f03721056190 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -810,7 +810,7 @@ static void pl2303_update_line_status(struct usb_serial_port *port, struct pl2303_private *priv = usb_get_serial_port_data(port); unsigned long flags; u8 status_idx = UART_STATE; - u8 length = UART_STATE; + u8 length = UART_STATE + 1; if ((le16_to_cpu(port->serial->dev->descriptor.idVendor) == SIEMENS_VENDOR_ID) && (le16_to_cpu(port->serial->dev->descriptor.idProduct) == SIEMENS_PRODUCT_ID_X65 ||