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Date:	Tue, 26 May 2015 12:46:44 +0800
From:	Minfei Huang <mnfhuang@...il.com>
To:	Li Bin <huawei.libin@...wei.com>
Cc:	Jiri Kosina <jkosina@...e.cz>,
	Nicholas Mc Guire <hofrat@...dl.org>,
	Josh Poimboeuf <jpoimboe@...hat.com>,
	Seth Jennings <sjenning@...hat.com>,
	Vojtech Pavlik <vojtech@...e.cz>,
	"live-patching@...r.kernel.org" <live-patching@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	xiexiuqi <xiexiuqi@...wei.com>,
	Hanjun Guo <guohanjun@...wei.com>,
	"mhuang@...hat.com" <mhuang@...hat.com>
Subject: Re: [PATCH] livepatch: match function return value type with prototype

On Tue, May 26, 2015 at 10:44 AM, Li Bin <huawei.libin@...wei.com> wrote:
> The klp_is_module return type should be boolean.
>
> Signed-off-by: Li Bin <huawei.libin@...wei.com>
> ---
>  kernel/livepatch/core.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
> index 284e269..30e9339 100644
> --- a/kernel/livepatch/core.c
> +++ b/kernel/livepatch/core.c
> @@ -78,7 +78,7 @@ static struct klp_ops *klp_find_ops(unsigned long old_addr)
>
>  static bool klp_is_module(struct klp_object *obj)
>  {
> -       return obj->name;
> +       return !!obj->name;
>  }

Hi, Bin.

Does compile blame the prototype before you convert it? If not, I think
we do not need to fix it, since there are a lot of places in kernel where
we return point value as boolean.

Thanks
Minfei

>
>  static bool klp_is_object_loaded(struct klp_object *obj)
> --
> 1.7.1
>
>
> --
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