Re: [PATCH] iommu/qcom:fix local_base status check

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On Wed 01 Apr 23:33 PDT 2020, Tang Bin wrote:

> Release resources when exiting on error.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/iommu/qcom_iommu.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
> index 4328da0b0..c08aa9651 100644
> --- a/drivers/iommu/qcom_iommu.c
> +++ b/drivers/iommu/qcom_iommu.c
> @@ -813,8 +813,11 @@ static int qcom_iommu_device_probe(struct platform_device *pdev)
>  	qcom_iommu->dev = dev;
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (res)
> +	if (res) {
>  		qcom_iommu->local_base = devm_ioremap_resource(dev, res);
> +		if (IS_ERR(qcom_iommu->local_base))
> +			return PTR_ERR(qcom_iommu->local_base);
> +	}
>  
>  	qcom_iommu->iface_clk = devm_clk_get(dev, "iface");
>  	if (IS_ERR(qcom_iommu->iface_clk)) {
> -- 
> 2.20.1.windows.1
> 
> 
> 



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