From: Mark Brown <broonie@kernel.org>
To: David Jander <david@protonic.nl>
Cc: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] drivers: regmap: regcache-rbtree.c: Fix overlapping rbnodes.
Date: Wed, 21 Aug 2013 17:10:57 +0100 [thread overview]
Message-ID: <20130821161057.GG26118@sirena.org.uk> (raw)
In-Reply-To: <1377099442-13884-1-git-send-email-david@protonic.nl>
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On Wed, Aug 21, 2013 at 05:37:22PM +0200, David Jander wrote:
> Avoid overlapping register regions by making the initial blklen of a new
> node 1. If a register write occurs to a yet uncached register, that is
> lower than but near an existing node's base_reg, a new node is created
> and it's blklen is set to an arbitrary value (sizeof(*rbnode)). That may
> cause this node to overlap with another node. Those nodes should be merged,
> but this merge doesn't happen yet, so this patch at least makes the initial
> blklen small enough to avoid hitting the wrong node, which may otherwise
> lead to severe breakage.
Applied, thanks.
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prev parent reply other threads:[~2013-08-21 16:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-21 15:37 David Jander
2013-08-21 16:10 ` Mark Brown [this message]
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