From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Sun, 19 Nov 2017 04:52:46 +0000 (+0530)
Subject: mmc: sdhci-spear: Handle return value of platform_get_irq
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=682798a596a6f3ffe796ebbf6a9396bed6dc6de2;p=linux.git

mmc: sdhci-spear: Handle return value of platform_get_irq

platform_get_irq() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c
index 8c0f88428556c..14511526a3a8f 100644
--- a/drivers/mmc/host/sdhci-spear.c
+++ b/drivers/mmc/host/sdhci-spear.c
@@ -82,6 +82,10 @@ static int sdhci_probe(struct platform_device *pdev)
 	host->hw_name = "sdhci";
 	host->ops = &sdhci_pltfm_ops;
 	host->irq = platform_get_irq(pdev, 0);
+	if (host->irq <= 0) {
+		ret = -EINVAL;
+		goto err_host;
+	}
 	host->quirks = SDHCI_QUIRK_BROKEN_ADMA;
 
 	sdhci = sdhci_priv(host);