From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 28 May 2013 05:26:25 +0000 (+0800)
Subject: mmc: sdhci-acpi: fix error return code in sdhci_acpi_add_own_cd()
X-Git-Tag: v3.11-rc1~50^2~48
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5a0e8074660444010fee40eebcd57aaaf8d44662;p=platform%2Fkernel%2Flinux-exynos.git

mmc: sdhci-acpi: fix error return code in sdhci_acpi_add_own_cd()

Fix to return a negative error code in the gpio_to_irq() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index a51e603..08a85ec 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -189,8 +189,10 @@ static int sdhci_acpi_add_own_cd(struct device *dev, int gpio,
 		goto out;
 
 	irq = gpio_to_irq(gpio);
-	if (irq < 0)
+	if (irq < 0) {
+		err = irq;
 		goto out_free;
+	}
 
 	flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING;
 	err = devm_request_irq(dev, irq, sdhci_acpi_sd_cd, flags, "sd_cd", mmc);