netdev - RE: NULL Pointer Deference: NFS & Telnet

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Date:	Wed, 8 Sep 2010 18:27:16 -0500
From:	"Arce, Abraham" <x0066660@...com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	David Miller <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Shilimkar, Santosh" <santosh.shilimkar@...com>,
	"Ha, Tristram" <Tristram.Ha@...rel.com>
Subject: RE: NULL Pointer Deference: NFS & Telnet

Thanks Eric,

> Le mardi 07 septembre 2010 à 16:43 -0500, Arce, Abraham a écrit :
> > > From: Eric Dumazet [mailto:eric.dumazet@...il.com]

[..]

> > How about the following patch? I am using added helper function:
> > netdev_alloc_skb_ip_align()
> 
> Hmm, I prefer following patch (not tested), to really cope with
> allocation errors (instead of crashing because of NULL dereference), and
> allocate and skb of exactly the needed size.

Patch tested, 2 minor modifications:

 - Added an ending brace
 - Line size correction

It has been tested in a SDP OMAP4 ES1.0

- Filesystem over nfs
- Multiple file creation
- Throughput measurement

I'll send it as a new patch

 [PATCH] KS8851: Correct RX packet allocation

Best Regards
Abraham

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