linux-kernel - [PATCH] dev_dbg: check dev

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Message-ID: <20070420205935.801.6015.stgit@dwillia2-linux.ch.intel.com>
Date:	Fri, 20 Apr 2007 13:59:35 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	greg@...ah.com
Cc:	mochel@...ux.intel.com, linux-kernel@...r.kernel.org
Subject: [PATCH] dev_dbg: check dev_dbg() arguments

Duplicate what Zach Brown did for pr_debug in commit
8b2a1fd1b394c60eaa2587716102dd5e9b4e5990

Signed-off-by: Dan Williams <dan.j.williams@...el.com>
---

 include/linux/device.h |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/include/linux/device.h b/include/linux/device.h
index 5cf30e9..b6825d0 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -554,7 +554,11 @@ extern const char *dev_driver_string(struct device *dev);
 #define dev_dbg(dev, format, arg...)		\
 	dev_printk(KERN_DEBUG , dev , format , ## arg)
 #else
-#define dev_dbg(dev, format, arg...) do { (void)(dev); } while (0)
+static inline int __attribute__ ((format (printf, 2, 3)))
+dev_dbg(struct device * dev, const char * fmt, ...)
+{
+	return 0;
+}
 #endif
 
 #define dev_err(dev, format, arg...)		\
-
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