USB: Gadget: Composite: Debug interface comparison
While checking valid interface number we should compare MAX_CONFIG_INTERFACES
with the variable 'intf' (which holds the lower 8bits of w_index) rather than
'w_index'
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 1ba4bef..bbbbfb7 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -887,7 +887,7 @@
case USB_REQ_SET_INTERFACE:
if (ctrl->bRequestType != USB_RECIP_INTERFACE)
goto unknown;
- if (!cdev->config || w_index >= MAX_CONFIG_INTERFACES)
+ if (!cdev->config || intf >= MAX_CONFIG_INTERFACES)
break;
f = cdev->config->interface[intf];
if (!f)
@@ -899,7 +899,7 @@
case USB_REQ_GET_INTERFACE:
if (ctrl->bRequestType != (USB_DIR_IN|USB_RECIP_INTERFACE))
goto unknown;
- if (!cdev->config || w_index >= MAX_CONFIG_INTERFACES)
+ if (!cdev->config || intf >= MAX_CONFIG_INTERFACES)
break;
f = cdev->config->interface[intf];
if (!f)
@@ -928,7 +928,7 @@
*/
switch (ctrl->bRequestType & USB_RECIP_MASK) {
case USB_RECIP_INTERFACE:
- if (!cdev->config || w_index >= MAX_CONFIG_INTERFACES)
+ if (!cdev->config || intf >= MAX_CONFIG_INTERFACES)
break;
f = cdev->config->interface[intf];
break;