Message-ID: <1375825955.7303.37.camel@x61.thuisdomein>
Subject: Re: [PATCH] ioatdma: Fix compiler warning
From: Paul Bolle <pebolle@tiscali.nl>
To: Jon Mason <jon.mason@intel.com>
Cc: Dan Williams <djbw@fb.com>, Dave Jiang <dave.jiang@intel.com>,
        Vinod Koul <vinod.koul@intel.com>, linux-kernel@vger.kernel.org
Date: Tue, 06 Aug 2013 23:52:35 +0200
In-Reply-To: <1375824963-19884-1-git-send-email-jon.mason@intel.com>
References: <1375824963-19884-1-git-send-email-jon.mason@intel.com>
Content-Type: text/plain; charset="UTF-8"
Mime-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1018
Lines: 24

On Tue, 2013-08-06 at 14:36 -0700, Jon Mason wrote:
> GCC v4.6.3 complains:
> drivers/dma/ioat/dma_v3.c: In function ‘__ioat3_prep_pq16_lock’:
> drivers/dma/ioat/dma_v3.c:264:11: warning: array subscript is below array bounds [-Warray-bounds]
> drivers/dma/ioat/dma_v3.c:264:11: warning: array subscript is below array bounds [-Warray-bounds]
> 
> This is due to the possibility of idx being negative, thus being outside
> the boulds of the array.  Correct this by making idx an unsigned int.
> 
> Signed-off-by: Jon Mason <jon.mason@intel.com>

I tried to silence these warnings in
https://lkml.org/lkml/2013/6/17/233 . And again, after some feedback, in
https://lkml.org/lkml/2013/7/20/137 . Perhaps that second patch is
queued somewhere. I don't know.


Paul Bolle

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/