The exynos_tmu_data() function should on entrance test not only for valid
data pointer, but also for data->tmu_read one.
It is important, since afterwards it is dereferenced to get temperature code.
Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
---
drivers/thermal/samsung/exynos_tmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 3a19353..a86e0495e 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -717,7 +717,7 @@ static int exynos_get_temp(void *p, long *temp)
{
struct exynos_tmu_data *data = p;
- if (!data)
+ if (!data || !data->tmu_read)
return -EINVAL;
mutex_lock(&data->lock);
--
2.0.0.rc2
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