On 2015/07/04 17:10, SF Markus Elfring wrote:
> From: Markus Elfring <[email protected]>
> Date: Sat, 4 Jul 2015 10:00:26 +0200
> 
> The module_put() function tests whether its argument is NULL and then
> returns immediately. Thus the test around the call is not needed.
> 
> This issue was detected by using the Coccinelle software.
> 

OK, looks good to me.


Acked-by: Masami Hiramatsu <[email protected]>

> Signed-off-by: Markus Elfring <[email protected]>
> ---
>  kernel/kprobes.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/kernel/kprobes.c b/kernel/kprobes.c
> index c90e417..52e3529 100644
> --- a/kernel/kprobes.c
> +++ b/kernel/kprobes.c
> @@ -1531,10 +1531,7 @@ int register_kprobe(struct kprobe *p)
>  
>  out:
>       mutex_unlock(&kprobe_mutex);
> -
> -     if (probed_mod)
> -             module_put(probed_mod);
> -
> +     module_put(probed_mod);
>       return ret;
>  }
>  EXPORT_SYMBOL_GPL(register_kprobe);
> 


-- 
Masami HIRAMATSU
Linux Technology Research Center, System Productivity Research Dept.
Center for Technology Innovation - Systems Engineering
Hitachi, Ltd., Research & Development Group
E-mail: [email protected]
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