linux-kernel - [patch 3/3] Example use of WARN()

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Message-ID: <20080506232156.159ed493@infradead.org>
Date:	Tue, 6 May 2008 23:21:56 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: [patch 3/3] Example use of WARN()

From: Arjan van de Ven <arjan@...ux.intel.com>
Subject: Example use of WARN()

now that WARN() exists, we can fold some of the printk's into it

Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>

---
 lib/kobject.c |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/lib/kobject.c b/lib/kobject.c
index 718e510..960f4ed 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -164,9 +164,8 @@ static int kobject_add_internal(struct kobject *kobj)
 		return -ENOENT;
 
 	if (!kobj->name || !kobj->name[0]) {
-		pr_debug("kobject: (%p): attempted to be registered with empty "
+		WARN(1, "kobject: (%p): attempted to be registered with empty "
 			 "name!\n", kobj);
-		WARN_ON(1);
 		return -EINVAL;
 	}
 
@@ -576,12 +575,10 @@ static void kobject_release(struct kref *kref)
 void kobject_put(struct kobject *kobj)
 {
 	if (kobj) {
-		if (!kobj->state_initialized) {
-			printk(KERN_WARNING "kobject: '%s' (%p): is not "
+		if (!kobj->state_initialized)
+			WARN(1, KERN_WARNING "kobject: '%s' (%p): is not "
 			       "initialized, yet kobject_put() is being "
 			       "called.\n", kobject_name(kobj), kobj);
-			WARN_ON(1);
-		}
 		kref_put(&kobj->kref, kobject_release);
 	}
 }
-- 
1.5.4.5


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