USB: serial: option: use mass-storage class define

PATCH New Johan Hovold 1 participant 1 message Mar 7, 2018

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USB USB serial

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Johan Hovold

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2018-03-07 10:49 UTC #0 lore raw

PATCH 2/2 USB: serial: option: use mass-storage class define

Use the USB class define rather than a magic number when refusing to bind to mass-storage interfaces.

Signed-off-by Johan Hovold <[email protected]>

---
 drivers/usb/serial/option.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

drivers/usb/serial/option.c +1 -1

index 96b6a5c6913d..ede0145b8ec9 100644
@@ -2117,7 +2117,7 @@ static int option_probe(struct usb_serial *serial,
 	const struct option_blacklist_info *blacklist;
 
 	/* Never bind to the CD-Rom emulation interface	*/
-	if (iface_desc->bInterfaceClass == 0x08)
+	if (iface_desc->bInterfaceClass == USB_CLASS_MASS_STORAGE)
 		return -ENODEV;
 
 	/*