[PATCH] USB: usb/core/config.c null pointers after kfree

Prevents an oops with some other patchsets.


Clear some pointers after the memory is kfreed, to avoid
making some other patch combinations oops.

drivers/usb/core/config.c

@@ -367,6 +367,7 @@ void usb_destroy_configuration(struct usb_device *dev)
 			kfree(dev->rawdescriptors[i]);
 
 		kfree(dev->rawdescriptors);
+		dev->rawdescriptors = 0;
 	}
 
 	for (c = 0; c < dev->descriptor.bNumConfigurations; c++) {
@@ -380,6 +381,7 @@ void usb_destroy_configuration(struct usb_device *dev)
 		}
 	}
 	kfree(dev->config);
+	dev->config = 0;
 }