Re: [PATCH 5/7] drivers/iommu/tegra-smmu.c: remove invalid referenceto list iterator variable

From: Stephen Warren
Date: Mon Jul 23 2012 - 13:59:21 EST

On 07/08/2012 05:37 AM, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@xxxxxxx>


It looks like this patch hasn't seen any replies since you didn't CC the
maintainers of this code. I've CC'd them now.

> If list_for_each_entry, etc complete a traversal of the list, the iterator
> variable ends up pointing to an address at an offset from the list head,
> and not a meaningful structure. Thus this value should not be used after
> the end of the iterator. Replace c->dev by dev, which is the value that
> c->dev has been compared to.
> This problem was found using Coccinelle (
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

Acked-by: Stephen Warren <swarren@xxxxxxxxxxxxx>
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