Re: [patch 1/2] iommu/mediatek: signedness bug in probe function

From: Joerg Roedel
Date: Wed Mar 02 2016 - 08:53:59 EST


On Wed, Mar 02, 2016 at 01:10:06PM +0300, Dan Carpenter wrote:
> "larb_nr" needs to be signed for the error handling to work. "i" can
> be int as well.
>
> Fixes: 0df4fabe208d ('iommu/mediatek: Add mt8173 IOMMU driver')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
> index 721ffdb..1a4022c 100644
> --- a/drivers/iommu/mtk_iommu.c
> +++ b/drivers/iommu/mtk_iommu.c
> @@ -578,7 +578,7 @@ static int mtk_iommu_probe(struct platform_device *pdev)
> struct resource *res;
> struct component_match *match = NULL;
> void *protect;
> - unsigned int i, larb_nr;
> + int i, larb_nr;
> int ret;
>
> data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);

I merged a similar fix from Andrzej Hajda yesterday.