[patch 3/3] Example use of WARN()

From: Arjan van de Ven
Date: Wed May 07 2008 - 02:22:28 EST


From: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>

---
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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