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From: Antonio Quartulli <antonio@meshcoding.com>
To: b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [PATCH maint] batman-adv: properly check pskb_may_pull return value
Date: Thu, 30 Jan 2014 00:15:10 +0100	[thread overview]
Message-ID: <52E98B7E.4000400@meshcoding.com> (raw)
In-Reply-To: <1391037144-2448-1-git-send-email-antonio@meshcoding.com>

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On 30/01/14 00:12, Antonio Quartulli wrote:
> pskb_may_pull() returns 1 on success and 0 in case of failure,
> therefore checking for the return value being negative does
> not make sense at all.
> 

I should have added:

This way if the function fails we will probably read beyond the current
skb data buffer.

> Fix this by doing the proper check.
> 
> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>


-- 
Antonio Quartulli


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  reply	other threads:[~2014-01-29 23:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-29 23:12 [B.A.T.M.A.N.] [PATCH maint] batman-adv: properly check pskb_may_pull return value Antonio Quartulli
2014-01-29 23:15 ` Antonio Quartulli [this message]
2014-02-02 14:38   ` Marek Lindner

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