linux-kernel - Re: [PATCH] Simplify the kobject

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Date:	Tue, 17 Jul 2012 09:40:24 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Dong Hao <haodong@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Simplify the kobject_init function.

On Thu, Jul 12, 2012 at 02:09:35PM +0800, Dong Hao wrote:
> The printk() function at the end of function kobject_init() already had '\n',
> so remove it.
> 
> While the kobject has been initialized, assign error string and
> jump to error case directly.
> 
> Signed-off-by: Dong Hao<haodong@...ux.vnet.ibm.com>
> ---
>  lib/kobject.c |    9 ++++-----
>  1 files changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/lib/kobject.c b/lib/kobject.c
> index 05de4dc..7b8a09c 100644
> --- a/lib/kobject.c
> +++ b/lib/kobject.c
> @@ -278,14 +278,13 @@ void kobject_init(struct kobject *kobj, struct kobj_type *ktype)
>  		goto error;
>  	}
>  	if (!ktype) {
> -		err_str = "must have a ktype to be initialized properly!\n";
> +		err_str = "must have a ktype to be initialized properly!";
>  		goto error;
>  	}
>  	if (kobj->state_initialized) {
> -		/* do not error out as sometimes we can recover */
> -		printk(KERN_ERR "kobject (%p): tried to init an initialized "
> -		       "object, something is seriously wrong.\n", kobj);
> -		dump_stack();
> +		err_str = "tried to init an initialized "
> +			"object, something is seriously wrong.";
> +		goto error;

You were already told why this patch is incorrect, why are you resending
it two more times?  That's a bit annoying and rude, don't you think?

Sorry, I can't take this, please read the code you are modifying.

greg k-h
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