[PATCH] USB Checker missing unlocks fixes

drivers/usb/core/devices.c

@@ -574,8 +574,10 @@ static ssize_t usb_device_read(struct file *file, char *buf, size_t nbytes, loff
 		bus = list_entry(buslist, struct usb_bus, bus_list);
 		/* recurse through all children of the root hub */
 		ret = usb_device_dump(&buf, &nbytes, &skip_bytes, ppos, bus->root_hub, bus, 0, 0, 0);
-		if (ret < 0)
+		if (ret < 0) {
+			up(&usb_bus_list_lock);
 			return ret;
+		}
 		total_written += ret;
 	}
 	up (&usb_bus_list_lock);

drivers/usb/media/dabusb.c

@@ -609,6 +609,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
 		down (&s->mutex);
 	}
 	if (usb_set_interface (s->usbdev, _DABUSB_IF, 1) < 0) {
+		up(&s->mutex);
 		err("set_interface failed");
 		return -EINVAL;
 	}