linux-kernel - [PATCH 5/5] USB: Add format_template attribute to struct usb_class

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Message-Id: <20171112211911.27779-5-linux@rasmusvillemoes.dk>
Date:   Sun, 12 Nov 2017 22:19:11 +0100
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     Kees Cook <keescook@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] USB: Add format_template attribute to struct usb_class_driver

This serves as human-readable documentation as well as allowing the
format_template plugin to complain about any static initializers of this
struct member that do not have the same set of printf specifiers.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 include/linux/usb.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 9c63792a8134..8d48c0cd1c01 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1236,7 +1236,7 @@ extern struct bus_type usb_bus_type;
  * parameters used for them.
  */
 struct usb_class_driver {
-	char *name;
+	char *name __format_template("foobar_%d");
 	char *(*devnode)(struct device *dev, umode_t *mode);
 	const struct file_operations *fops;
 	int minor_base;
-- 
2.11.0