usb, gadget: use appropriate warning accessors

Use the appropriate WARN() and WARN_ON() accessors to avoid a build error
when CONFIG_BUG=n:

	drivers/usb/gadget/configfs.c: In function 'config_usb_cfg_unlink':
	drivers/usb/gadget/configfs.c:442:2: error: implicit declaration of function '__WARN_printf'
	drivers/usb/gadget/configfs.c: In function 'configfs_do_nothing':
	drivers/usb/gadget/configfs.c:733:2: error: implicit declaration of function '__WARN'

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index a34633a..3d5cfc9 100644 (file)
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -439,7 +439,7 @@ static int config_usb_cfg_unlink(
                }
        }
        mutex_unlock(&gi->lock);
-       __WARN_printf("Unable to locate function to unbind\n");
+       WARN(1, "Unable to locate function to unbind\n");
        return 0;
 }
 
@@ -730,7 +730,7 @@ USB_CONFIG_STRINGS_LANG(gadget_strings, gadget_info);
 
 static int configfs_do_nothing(struct usb_composite_dev *cdev)
 {
-       __WARN();
+       WARN_ON(1);
        return -EINVAL;
 }