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

[cascardo/linux.git] / drivers / mmc / host / sdhci-pltfm.c

diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 03dbdeb..24377a3 100644 (file)
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -146,6 +146,11 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
        }
 
        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),
                mmc_hostname(host->mmc))) {