Commit 0a782cb1 authored Apr 20, 2016 by Masahiro Yamada Committed by Ulf Hansson May 02, 2016

mmc: sdhci-pltfm: check return value of platform_get_irq()

The function platform_get_irq() can fail; it returns a negative error
code on failure. A negative IRQ number will make sdhci_add_host() fail
to request IRQ anyway, but it makes sense to let it fail earlier here.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent 0b2ed795

drivers/mmc/host/sdhci-pltfm.c

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -146,6 +146,11 @@ struct sdhci_host sdhci_pltfm_init(struct platform_device pdev,
	}		}

	host->irq = platform_get_irq(pdev, 0);		host->irq = platform_get_irq(pdev, 0);
			if (host->irq < 0) {
			dev_err(&pdev->dev, "failed to get IRQ number\n");
			ret = host->irq;
			goto err_request;
			}

	if (!request_mem_region(iomem->start, resource_size(iomem),		if (!request_mem_region(iomem->start, resource_size(iomem),
	mmc_hostname(host->mmc))) {		mmc_hostname(host->mmc))) {