Messages in this thread Patch in this message |  | | | Date | Mon, 3 Dec 2007 23:46:12 -0800 | | From | Greg KH <> | | Subject | Re: The use of KOBJ_NAME_LEN | |
On Tue, Dec 04, 2007 at 02:45:47PM +0800, Dave Young wrote:
> Hi,
> Does the KOBJ_NAME_LEN really means the limit of kobject name length? seems
> not . And if it's true, is the KOBJ_NAME_LEN of 20 enough to use?
No, not anymore, the kobject name is totally dynamic.
> In the kobject_set_name, the limit is 1024. Looks like either the comment or
> the code should be updated.
Here's a patch below for the comment updating it.
I also have a patch in my -mm series that takes away the 1024 character
limit, but for 2.6.24 we'll have to live with it :)
thanks,
greg k-h
---
lib/kobject.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -234,13 +234,13 @@ int kobject_register(struct kobject * ko
/**
- * kobject_set_name - Set the name of an object
- * @kobj: object.
- * @fmt: format string used to build the name
+ * kobject_set_name - Set the name of a kobject
+ * @kobj: kobject to name
+ * @fmt: format string used to build the name
*
- * If strlen(name) >= KOBJ_NAME_LEN, then use a dynamically allocated
- * string that @kobj->k_name points to. Otherwise, use the static
- * @kobj->name array.
+ * This sets the name of the kobject. If you have already added the
+ * kobject to the system, you must call kobject_rename() in order to
+ * change the name of the kobject.
*/
int kobject_set_name(struct kobject * kobj, const char * fmt, ...)
{
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