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Message-ID: <500D90F9.7030909@wwwdotorg.org> Date: Mon, 23 Jul 2012 11:59:21 -0600 From: Stephen Warren <swarren@...dotorg.org> To: Julia Lawall <Julia.Lawall@...6.fr> CC: linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org, Joerg Roedel <joerg.roedel@....com>, Hiroshi Doyu <hdoyu@...dia.com>, "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org> Subject: Re: [PATCH 5/7] drivers/iommu/tegra-smmu.c: remove invalid reference to list iterator variable On 07/08/2012 05:37 AM, Julia Lawall wrote: > From: Julia Lawall <Julia.Lawall@...6.fr> Julia, 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 (http://coccinelle.lip6.fr/). > > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr> Acked-by: Stephen Warren <swarren@...dotorg.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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