linux-kernel - Re: Bug in ks8851.c

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Message-Id: <20130329.154348.1417472944436998499.davem@davemloft.net>
Date:	Fri, 29 Mar 2013 15:43:48 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	Max.Nekludov@...elster.com
Cc:	kda@...ux-powerpc.org, gerg@...inux.org, jiri@...nulli.us,
	linus971@...il.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, mjr@...wisc.edu,
	netdev@...r.kernel.org, sboyd@...eaurora.org,
	torvalds@...ux-foundation.org
Subject: Re: Bug in ks8851.c

From: Max.Nekludov@...elster.com
Date: Fri, 29 Mar 2013 19:27:36 +0400

> Denis,
> here is patch with commit message:
> 
> Subject: [PATCH] Fix bug in ks8851 driver
> 
> According to the Datasheet (page 52):
> 15-12 Reserved
> 11-0 RXBC Receive Byte Count
> This field indicates the present received frame byte size.
> 
> The code has a bug:
>                  rxh = ks8851_rdreg32(ks, KS_RXFHSR);
>                  rxstat = rxh & 0xffff;
>                  rxlen = rxh >> 16; // BUG!!! 0xFFF mask should be applied
> 
> Signed-off-by: Max Nekludov <Max.Nekludov@...elster.com>

Applied and queued up for -stable, thanks.
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