Re: [PATCH linux-wpan] 6lowpan: ensure header compression does not corrupt ipv6 header

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On Sat, Sep 20, 2014 at 09:26:53PM +0200, Alexander Aring wrote:
...
> > > +	/* We must take a copy of the skb before we modify/replace the ipv6
> > > +	 * header as the header could be used elsewhere
> > > +	 */
> > > +	skb = skb_unshare(skb, GFP_KERNEL);
> > > +
> 
> need to be GFP_ATOMIC, xmit callback has atomic context.

also check on return value here.

- Alex
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