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SubjectRe: [PATCH 3/4] modules: proper cleanup of kobject without CONFIG_SYSFS
On Tuesday 20 May 2008 19:59:48 Denis V. Lunev wrote:
> kobject: '<NULL>' (ffffffffa0104050): is not initialized, yet kobject_put()

Thanks Denis.

This patch masks a deeper problem; looks like you can't load any modules with

int mod_sysfs_init(struct module *mod)
int err;
struct kobject *kobj;

if (!module_sysfs_initialized) {
printk(KERN_ERR "%s: module sysfs not initialized\n",
err = -EINVAL;
goto out;

AFAICT, module_sysfs_initialized is not ever set if !CONFIG_SYSFS.

I can't see the point of module_sysfs_initialized. It was introduced by Greg
in commit 823bccfc ("remove "struct subsystem" as it is no longer needed").

Greg, what were you trying to do here? Modules can't be loaded before
param_sysfs_init(): are you trying to handle the case where the
kset_create_and_add() fails?


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