Re: [PATCH v4 bluetooth] 6lowpan: fix incorrect return values in lowpan_rcv

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On Tue, Sep 16, 2014 at 01:47:59PM +0200, Alexander Aring wrote:
> On Tue, Sep 16, 2014 at 12:39:11PM +0100, Martin Townsend wrote:
> > Hi Alex,
> > On 16/09/14 12:36, Alexander Aring wrote:
> > > On Tue, Sep 16, 2014 at 12:01:59PM +0100, Martin Townsend wrote:
...
> 
> and this also smells like side effects for me, because we have the
> local_skb which is sometimes freed inside of lowpan_process_data and
> returning skb. Then we don't know which we should kfree_skb now, the skb
> or local_skb now. Need to thing more about this to offer some solution,
> somebody agree here with me?
> 

I mean sometimes we do this *skb = *new and skb is the parameter and before we
did a consume_skb(skb); then local_skb is already freed after this and
returning an errno and we make kfree_skb(local_skb) will crash something,
I suppose.

- Alex
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