From: Alexander Aring <alex.aring@gmail.com>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: Simon Vincent <simon.vincent@xsilon.com>,
linux-wpan@vger.kernel.org, jukka.rissanen@linux.intel.com
Subject: Re: [PATCH linux-wpan] 6lowpan: ensure header compression does not corrupt ipv6 header
Date: Sun, 21 Sep 2014 09:31:32 +0200 [thread overview]
Message-ID: <20140921073131.GA6551@omega> (raw)
In-Reply-To: <20140920192653.GA4386@omega>
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
next prev parent reply other threads:[~2014-09-21 7:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 15:42 [PATCH linux-wpan] 6lowpan: ensure header compression does not corrupt ipv6 header Simon Vincent
2014-09-20 6:48 ` Martin Townsend
2014-09-20 14:55 ` Marcel Holtmann
2014-09-20 19:26 ` Alexander Aring
2014-09-21 7:31 ` Alexander Aring [this message]
2014-09-22 8:23 ` Alexander Aring
2014-09-22 8:29 ` Alexander Aring
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