Re: BUG on unloading the fuse module

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On Fri, Oct 05, 2007 at 12:54:09PM +0200, Miklos Szeredi wrote:
> > > > In 2.6.23-rc8-mm2, the fuse module always bugs on unloading.
> > > 
> > > It's fixed in Greg's patch queue.
> > > 
> > > This patch against -mm will also fix it.
> > 
> > Oh no, it panics:
> 
> How about this one?

Yes, it did the trick.

Thank you!
Fengguang
> ---
> 
> Index: linux/lib/kobject.c
> ===================================================================
> --- linux.orig/lib/kobject.c	2007-10-02 17:20:04.000000000 +0200
> +++ linux/lib/kobject.c	2007-10-05 12:52:52.000000000 +0200
> @@ -498,18 +498,18 @@ void kobject_cleanup(struct kobject * ko
>  	struct kobj_type * t = get_ktype(kobj);
>  	struct kset * s = kobj->kset;
>  	struct kobject * parent = kobj->parent;
> -	const char *k_name = kobj->k_name;
>  
>  	pr_debug("kobject %s: cleaning up\n",kobject_name(kobj));
> -	kobj->k_name = NULL;
> -	if (t && t->release)
> +	if (t && t->release) {
> +		const char *k_name = kobj->k_name;
> +		kobj->k_name = NULL;
>  		t->release(kobj);
> -	else
> +		kfree(k_name);
> +	} else
>  		pr_debug("kobject '%s' does not have a release() function, "
>  			"if this is not a directory kobject, it is broken "
>  			"and must be fixed.\n",
> -			k_name);
> -	kfree(k_name);
> +			kobj->k_name);
>  	if (s)
>  		kset_put(s);
>  	kobject_put(parent);

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