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>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 1ba4befe336b..bbbbfb707504 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -887,7 +887,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
         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 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
         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 @@ unknown:
                  */
                 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;