thermal: imx: Fix possible NULL dereference.

of_device_get_match_data could return NULL, and so can cause
a NULL pointer dereference later.

Signed-off-by: Shailendra Verma <[email protected]>
Signed-off-by: Eduardo Valentin <[email protected]>
This commit is contained in:
Shailendra Verma 2017-01-30 10:34:58 +05:30 • committed by Eduardo Valentin
commit 8b051ec37c

View file

@ -489,6 +489,10 @@ static int imx_thermal_probe(struct platform_device *pdev)
data->tempmon = map;
data->socdata = of_device_get_match_data(&pdev->dev);
if (!data->socdata) {
dev_err(&pdev->dev, "no device match found\n");
return -ENODEV;
}
/* make sure the IRQ flag is clear before enabling irq on i.MX6SX */
if (data->socdata->version == TEMPMON_IMX6SX) {