linux-kernel - Re: [PATCH] rbd: replace IS_ERR and PTR_ERR with PTR_ERR_OR

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Message-ID: <CAAM7YA=CwbM8Hgh+QFMoGP1RLaA1drwabG_O2sOqCOcg_Wv+fg@mail.gmail.com>
Date:	Fri, 11 Apr 2014 17:25:46 +0800
From:	"Yan, Zheng" <ukernel@...il.com>
To:	Duan Jiong <duanj.fnst@...fujitsu.com>
Cc:	yehuda@...tank.com, Sage Weil <sage@...tank.com>, elder@...nel.org,
	ceph-devel <ceph-devel@...r.kernel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rbd: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO

On Fri, Apr 11, 2014 at 4:38 PM, Duan Jiong <duanj.fnst@...fujitsu.com> wrote:
> This patch fixes coccinelle error regarding usage of IS_ERR and
> PTR_ERR instead of PTR_ERR_OR_ZERO.
>
> Signed-off-by: Duan Jiong <duanj.fnst@...fujitsu.com>
> ---
>  drivers/block/rbd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
> index 4c95b50..552a2ed 100644
> --- a/drivers/block/rbd.c
> +++ b/drivers/block/rbd.c
> @@ -4752,7 +4752,7 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev)
>
>                 image_id = ceph_extract_encoded_string(&p, p + ret,
>                                                 NULL, GFP_NOIO);
> -               ret = IS_ERR(image_id) ? PTR_ERR(image_id) : 0;
> +               ret = PTR_ERR_OR_ZERO(image_id);
>                 if (!ret)
>                         rbd_dev->image_format = 2;
>         } else {

Reviewed-by: Yan, Zheng <zheng.z.yan@...el.com>

> --
> 1.8.3.1
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