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[Resend,3/7] mmc: sdhci-spear: Fix NULL pointer dereference

Message ID 1387442614-4193-3-git-send-email-sachin.kamat@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sachin Kamat Dec. 19, 2013, 8:43 a.m. UTC 
pdata could be NULL if cd_gpio = -1. Dereference pdata only
if it is not NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 drivers/mmc/host/sdhci-spear.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c
index 2dba9f8d1760..76ddd89a688e 100644
--- a/drivers/mmc/host/sdhci-spear.c
+++ b/drivers/mmc/host/sdhci-spear.c
@@ -84,14 +84,12 @@  static struct sdhci_plat_data *sdhci_probe_config_dt(struct platform_device *pde
 	/* If pdata is required */
 	if (cd_gpio != -1) {
 		pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
-		if (!pdata) {
+		if (!pdata)
 			dev_err(&pdev->dev, "DT: kzalloc failed\n");
-			return ERR_PTR(-ENOMEM);
-		}
+		else
+			pdata->card_int_gpio = cd_gpio;
 	}
 
-	pdata->card_int_gpio = cd_gpio;
-
 	return pdata;
 }
 #else