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SubjectRe: [PATCH] mmc: wmt-sdmmc: fix unmatched release_mem_region
On 11/09/2014 10:55 PM, Fabio Estevam wrote:
> On Sun, Nov 9, 2014 at 7:12 PM, Alexey Charkov <alchark@gmail.com> wrote:
>
>> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> + if (!res) {
>> + ret = -ENODEV;
>> + goto fail1;
> You could save this NULL check...
>
>> + }
>> mmc = mmc_alloc_host(sizeof(struct wmt_mci_priv), &pdev->dev);
>> if (!mmc) {
>> dev_err(&pdev->dev, "Failed to allocate mmc_host\n");
>> @@ -813,7 +819,7 @@ static int wmt_mci_probe(struct platform_device *pdev)
>> if (of_get_property(np, "cd-inverted", NULL))
>> priv->cd_inverted = 1;
>>
>> - priv->sdmmc_base = of_iomap(np, 0);
> If you move ' res = platform_get_resource' right here as
> devm_ioremap_resource() already does the NULL check.
>
>> + priv->sdmmc_base = devm_ioremap_resource(&pdev->dev, res);
>> if (!priv->sdmmc_base) {
>> dev_err(&pdev->dev, "Failed to map IO space\n");
>> ret = -ENOMEM;
This was the original intention but it would fall between the failX
jumps, i discussed that with Alexey and we decided to change it with the
cleanup to hold this patch small.


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