netdev - Re: [PATCH v3] sh_eth: Fix skb alloc size and alignment adjust rule.

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Message-Id: <20141129.211212.2189096129383310983.davem@davemloft.net>
Date:	Sat, 29 Nov 2014 21:12:12 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ykaneko0929@...il.com
Cc:	netdev@...r.kernel.org, horms@...ge.net.au, magnus.damm@...il.com,
	linux-sh@...r.kernel.org
Subject: Re: [PATCH v3] sh_eth: Fix skb alloc size and alignment adjust
 rule.

From: Yoshihiro Kaneko <ykaneko0929@...il.com>
Date: Thu, 27 Nov 2014 20:34:00 +0900

> From: Mitsuhiro Kimura <mitsuhiro.kimura.kc@...esas.com>
> 
> In the current driver, allocation size of skb does not care the alignment
> adjust after allocation.
> And also, in the current implementation, buffer alignment method by
> sh_eth_set_receive_align function has a bug that this function displace
> buffer start address forcedly when the alignment is corrected.
> In the result, tail of the skb will exceed allocated area and kernel panic
> will be occurred.
> This patch fix this issue.
> 
> Signed-off-by: Mitsuhiro Kimura <mitsuhiro.kimura.kc@...esas.com>
> Signed-off-by: Yoshihiro Kaneko <ykaneko0929@...il.com>

Applied.
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