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Subject[PATCH 18/22] kobject: implement __kobject_set_name()
Date
From
Implement __kobject_set_name() which takes pre-allocated @new_name and
renames the kobject without failing.

Signed-off-by: Tejun Heo <htejun@gmail.com>
---
include/linux/kobject.h | 1 +
lib/kobject.c | 13 +++++++++++++
2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index a8a84fc..f7a7734 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -68,6 +68,7 @@ struct kobject {
struct sysfs_dirent * sd;
};

+extern void __kobject_set_name(struct kobject *kobj, const char *new_name);
extern int kobject_set_name(struct kobject *, const char *, ...)
__attribute__((format(printf,2,3)));

diff --git a/lib/kobject.c b/lib/kobject.c
index a280c62..1623125 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -230,6 +230,19 @@ int kobject_register(struct kobject * kobj)
return error;
}

+/**
+ * __kobject_set_name - Set the name of an object to preallocated string
+ * @kobj: object.
+ * @new_name: pointer to pre-allocated string for the new name
+ *
+ * Set the name of @kobj to @new_name. @new_name is used
+ * directly and will be freed using kfree() on @kobj release.
+ */
+void __kobject_set_name(struct kobject *kobj, const char *new_name)
+{
+ kfree(kobj->k_name);
+ kobj->k_name = new_name;
+}

/**
* kobject_set_name - Set the name of an object
--
1.5.0.3

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