linux-kernel - Re: [PATCH] block: fix error handling in sg

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Message-ID: <20140826141826.GA750@lst.de>
Date:	Tue, 26 Aug 2014 16:18:26 +0200
From:	Christoph Hellwig <hch@....de>
To:	Sabrina Dubroca <sd@...asysnail.net>
Cc:	hch@....de, linux-kernel@...r.kernel.org, axboe@...nel.dk
Subject: Re: [PATCH] block: fix error handling in sg_io

On Tue, Aug 26, 2014 at 04:14:02PM +0200, Sabrina Dubroca wrote:
> Before commit 2cada584b200 ("block: cleanup error handling in sg_io"),
> we had ret = 0 before entering the last big if block of sg_io.
> 
> Since 2cada584b200, ret = -EFAULT, which breaks hdparm:
> 
> /dev/sda:
>  setting Advanced Power Management level to 0xc8 (200)
>  HDIO_DRIVE_CMD failed: Bad address
>  APM_level      = 128
> 
> Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
> Fixes: 2cada584b200 ("block: cleanup error handling in sg_io")

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>
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