netdev - Re: [patch -next] 6lowpan: double unlock on an error path

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Message-ID: <CAJmB2rCwYo1KR_gOQFrvMn2A2px1mPEN5DV+KGtjV914p-o7NA@mail.gmail.com>
Date:	Wed, 27 Jun 2012 10:57:18 +0400
From:	Alexander Smirnov <alex.bluesman.smirnov@...il.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	Sergey Lapin <slapin@...fans.org>,
	"David S. Miller" <davem@...emloft.net>,
	linux-zigbee-devel@...ts.sourceforge.net, netdev@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch -next] 6lowpan: double unlock on an error path

2012/6/27 Dan Carpenter <dan.carpenter@...cle.com>:
> We already unlocked a few lines earlier here, so we can go directly to
> drop without passing through unlock.  This was introduced recently in
> c5d3687f6c ('6lowpan: read data from skb safely').
>
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
>
> diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
> index ad0c226..cd5007f 100644
> --- a/net/ieee802154/6lowpan.c
> +++ b/net/ieee802154/6lowpan.c
> @@ -771,7 +771,7 @@ lowpan_process_data(struct sk_buff *skb)
>                        kfree(frame);
>
>                        if (lowpan_fetch_skb_u8(skb, &iphc0))
> -                               goto unlock_and_drop;
> +                               goto drop;
>
>                        break;
>                }

Acked-by: Alexander Smirnov <alex.bluesman.smirnov@...il.com>
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