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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Lee Jones <lee.jones@linaro.org>,
	Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] mfd: tps65911-comparator: Fix an off by one bug
Date: Fri, 20 Apr 2018 11:59:39 +0300	[thread overview]
Message-ID: <20180420085938.ymf2jc46dswylxh4@mwanda> (raw)
In-Reply-To: <20180419134634.GA19793@mwanda>

On Thu, Apr 19, 2018 at 04:46:34PM +0300, Dan Carpenter wrote:
> The tps_comparators[] array is used in two places.  We only access the
> COMP1 (1) and COMP2 (2) elements.  Unfortunately, we're accessing the
> wrong elements and also one element beyond the end of the array.  There
> was supposed to be a zero element at the start of the array which is
> isn't accessed but makes the math work out nicely.
> 
> Fixes: 6851ad3ab346 ("TPS65911: Comparator: Add comparator driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> I can't actually compile this code...

I assumed that I couldn't compile this code because it was non-x86 or
something but actually it's just really out of date.  We broke it in
2012 when we removed the ->write() function pointer.

commit 3f7e82759c692df473675ed06fb90b20f1f225c3
Author: Rhyland Klein <rklein@nvidia.com>
Date:   Tue May 8 11:42:38 2012 -0700

    mfd: Commonize tps65910 regmap access through header

regards,
dan carpenter

  parent reply	other threads:[~2018-04-20  8:59 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-19 13:46 Dan Carpenter
2018-04-20  8:09 ` Lee Jones
2018-04-20  8:21   ` Dan Carpenter
2018-04-20  8:24     ` Dan Carpenter
2018-04-20  8:39     ` Lee Jones
2018-04-20  9:01       ` Dan Carpenter
2018-04-23  6:26         ` Lee Jones
2018-04-20  9:09       ` [PATCH v2] " Dan Carpenter
2018-04-23  6:44         ` Lee Jones
2018-04-23 10:27           ` Dan Carpenter
2018-04-24  5:45             ` Lee Jones
2018-04-20  8:59 ` Dan Carpenter [this message]
2018-04-20  9:21   ` [PATCH] mfd: tps65911-comparator: Fix a build error Dan Carpenter
2018-04-23 18:13     ` Rhyland Klein
2018-04-24  5:46     ` Lee Jones

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