USB: serial: ir-usb: fix big-endian baud-rate debug printk
authorJohan Hovold <johan@kernel.org>
Thu, 11 May 2017 09:41:19 +0000 (11:41 +0200)
committerJohan Hovold <johan@kernel.org>
Mon, 15 May 2017 09:50:34 +0000 (11:50 +0200)
Add missing endianness conversion when printing the supported baud
rates.

Found using sparse:

warning: restricted __le16 degrades to integer

Fixes: e0d795e4f36c ("usb: irda: cleanup on ir-usb module")
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
drivers/usb/serial/ir-usb.c

index 73956d48a0c57bb5566fb0c1b47a581e438bb4a1..f9734a96d51681d689c5028e6777fec03c401d5a 100644 (file)
@@ -197,6 +197,7 @@ static u8 ir_xbof_change(u8 xbof)
 static int ir_startup(struct usb_serial *serial)
 {
        struct usb_irda_cs_descriptor *irda_desc;
+       int rates;
 
        irda_desc = irda_usb_find_class_desc(serial, 0);
        if (!irda_desc) {
@@ -205,18 +206,20 @@ static int ir_startup(struct usb_serial *serial)
                return -ENODEV;
        }
 
+       rates = le16_to_cpu(irda_desc->wBaudRate);
+
        dev_dbg(&serial->dev->dev,
                "%s - Baud rates supported:%s%s%s%s%s%s%s%s%s\n",
                __func__,
-               (irda_desc->wBaudRate & USB_IRDA_BR_2400) ? " 2400" : "",
-               (irda_desc->wBaudRate & USB_IRDA_BR_9600) ? " 9600" : "",
-               (irda_desc->wBaudRate & USB_IRDA_BR_19200) ? " 19200" : "",
-               (irda_desc->wBaudRate & USB_IRDA_BR_38400) ? " 38400" : "",
-               (irda_desc->wBaudRate & USB_IRDA_BR_57600) ? " 57600" : "",
-               (irda_desc->wBaudRate & USB_IRDA_BR_115200) ? " 115200" : "",
-               (irda_desc->wBaudRate & USB_IRDA_BR_576000) ? " 576000" : "",
-               (irda_desc->wBaudRate & USB_IRDA_BR_1152000) ? " 1152000" : "",
-               (irda_desc->wBaudRate & USB_IRDA_BR_4000000) ? " 4000000" : "");
+               (rates & USB_IRDA_BR_2400) ? " 2400" : "",
+               (rates & USB_IRDA_BR_9600) ? " 9600" : "",
+               (rates & USB_IRDA_BR_19200) ? " 19200" : "",
+               (rates & USB_IRDA_BR_38400) ? " 38400" : "",
+               (rates & USB_IRDA_BR_57600) ? " 57600" : "",
+               (rates & USB_IRDA_BR_115200) ? " 115200" : "",
+               (rates & USB_IRDA_BR_576000) ? " 576000" : "",
+               (rates & USB_IRDA_BR_1152000) ? " 1152000" : "",
+               (rates & USB_IRDA_BR_4000000) ? " 4000000" : "");
 
        switch (irda_desc->bmAdditionalBOFs) {
        case USB_IRDA_AB_48: