linux-kernel - Re: [PATCH] openvswitch: Use IS_ERR_OR

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Message-ID: <CALnjE+pjdWLCKya6FeqfZqYra=p=vjDN2nywrdTWuRErGmpu9w@mail.gmail.com>
Date:	Mon, 28 Jul 2014 13:37:09 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	Himangi Saraogi <himangi774@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>,
	netdev <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] openvswitch: Use IS_ERR_OR_NULL

On Sun, Jul 27, 2014 at 12:07 AM, Himangi Saraogi <himangi774@...il.com> wrote:
> This patch introduces the use of the macro IS_ERR_OR_NULL in place of
> tests for NULL and IS_ERR.
>
> The following Coccinelle semantic patch was used for making the change:
>
> @@
> expression e;
> @@
>
> - e == NULL || IS_ERR(e)
> + IS_ERR_OR_NULL(e)
>  || ...
>
> Signed-off-by: Himangi Saraogi <himangi774@...il.com>
> Acked-by: Julia Lawall <julia.lawall@...6.fr>

Looks good.
Acked-by: Pravin B Shelar <pshelar@...ira.com>

> ---
>  net/openvswitch/datapath.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
> index 20f59b6..e3b3c21 100644
> --- a/net/openvswitch/datapath.c
> +++ b/net/openvswitch/datapath.c
> @@ -780,7 +780,7 @@ static struct sk_buff *ovs_flow_cmd_build_info(const struct sw_flow *flow,
>
>         skb = ovs_flow_cmd_alloc_info(ovsl_dereference(flow->sf_acts), info,
>                                       always);
> -       if (!skb || IS_ERR(skb))
> +       if (IS_ERR_OR_NULL(skb))
>                 return skb;
>
>         retval = ovs_flow_cmd_fill_info(flow, dp_ifindex, skb,
> --
> 1.9.1
>
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