diff options
| author |   Shailendra Verma <shailendra.v@samsung.com> | 2017-01-30 10:34:58 +0530 |
|---|---|---|
| committer |   Eduardo Valentin <edubezval@gmail.com> | 2017-02-18 17:27:36 -0800 |
| commit | 8b051ec37c93b28e1f1cac4c9677ff88e56930ff (patch) | |
| tree | 5aba94f1f64819c0b330bc800223bcd699d14b22 /drivers/thermal | |
| parent | thermal: exynos: Remove parsing unused samsung,tmu_cal_mode property (diff) | |
| download | linux-dev-8b051ec37c93b28e1f1cac4c9677ff88e56930ff.tar.xz linux-dev-8b051ec37c93b28e1f1cac4c9677ff88e56930ff.zip | |
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 <shailendra.v@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/imx_thermal.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index 06912f0602b7..fb648a45754e 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -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) { |