提交 eab36b24 编写于 作者: S Sachin Kamat 提交者: Chris Ball

mmc: sdhci-spear: Fix NULL pointer dereference

pdata could be NULL if cd_gpio = -1. Dereference pdata only
if it is not NULL.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NChris Ball <chris@printf.net>
上级 43aaa50f
......@@ -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
......
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