Merge 4.4.93 into android-4.4

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / drivers / usb / gadget / composite.c

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index a5ebfa9..a1fccfe 100644 (file)
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1911,6 +1911,8 @@ static DEVICE_ATTR_RO(suspended);
 static void __composite_unbind(struct usb_gadget *gadget, bool unbind_driver)
 {
        struct usb_composite_dev        *cdev = get_gadget_data(gadget);
+       struct usb_gadget_strings       *gstr = cdev->driver->strings[0];
+       struct usb_string               *dev_str = gstr->strings;
 
        /* composite_disconnect() must already have been called
         * by the underlying peripheral controller driver!
@@ -1930,6 +1932,9 @@ static void __composite_unbind(struct usb_gadget *gadget, bool unbind_driver)
 
        composite_dev_cleanup(cdev);
 
+       if (dev_str[USB_GADGET_MANUFACTURER_IDX].s == cdev->def_manufacturer)
+               dev_str[USB_GADGET_MANUFACTURER_IDX].s = "";
+
        kfree(cdev->def_manufacturer);
        kfree(cdev);
        set_gadget_data(gadget, NULL);