Since regulator_get() can return an errno via regulator pointer, we
need to make sure we handle that case without passing bogus pointers
around.
Add code to convert mtl017->regulator to a dummy regulator if
regulator_get() fails.
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
drivers/video/mtl017.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/video/mtl017.c b/drivers/video/mtl017.c
index 085ea110b..423fb8e4f 100644
--- a/drivers/video/mtl017.c
+++ b/drivers/video/mtl017.c
@@ -244,6 +244,9 @@ static int mtl017_probe(struct device_d *dev)
mtl017->client = to_i2c_client(dev);
mtl017->regulator = regulator_get(dev, "vdd");
+ if (IS_ERR(mtl017->regulator))
+ mtl017->regulator = NULL;
+
mtl017->enable_gpio = of_get_named_gpio_flags(dev->device_node,
"enable-gpios", 0, &flags);
if (gpio_is_valid(mtl017->enable_gpio)) {
--
2.19.1
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