linux-kernel - Re: [PATCH 1/2] net/wireless/nl80211.c: Avoid call to genlmsg

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Message-ID: <1296223267.5118.7.camel@jlt3.sipsolutions.net>
Date:	Fri, 28 Jan 2011 15:01:07 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Julia Lawall <julia@...u.dk>
Cc:	kernel-janitors@...r.kernel.org,
	"John W. Linville" <linville@...driver.com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] net/wireless/nl80211.c: Avoid call to
 genlmsg_cancel

On Fri, 2011-01-28 at 15:17 +0100, Julia Lawall wrote:

> diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
> index 9b62710..864ddfb 100644
> --- a/net/wireless/nl80211.c
> +++ b/net/wireless/nl80211.c
> @@ -2718,7 +2718,7 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
>  	hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
>  			     NL80211_CMD_GET_MESH_CONFIG);
>  	if (!hdr)
> -		goto nla_put_failure;
> +		goto out;


> @@ -2954,7 +2955,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
>  	hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
>  			     NL80211_CMD_GET_REG);
>  	if (!hdr)
> -		goto nla_put_failure;
> +		goto put_failure;
>  
>  	NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2,
>  		cfg80211_regdomain->alpha2);

Seems fine. Actually, since the message is freed anyhow, the call to
genlmsg_cancel is *completely* unnecessary, I just put it in to make it
nest better and not rely on it not having side effects.

But why did you call the label differently? :)

johannes

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