upstream: [media] lm3560: prevent memory leak in case of pdata absence

If we have no pdata defined and driver fails to register we leak memory.
Converting to devm_kzalloc prevents this to happen.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/i2c/lm3560.c b/drivers/media/i2c/lm3560.c
index 93e5227..c23de59 100644 (file)
--- a/drivers/media/i2c/lm3560.c
+++ b/drivers/media/i2c/lm3560.c
@@ -416,8 +416,7 @@ static int lm3560_probe(struct i2c_client *client,
 
        /* if there is no platform data, use chip default value */
        if (pdata == NULL) {
-               pdata =
-                   kzalloc(sizeof(struct lm3560_platform_data), GFP_KERNEL);
+               pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
                if (pdata == NULL)
                        return -ENODEV;
                pdata->peak = LM3560_PEAK_3600mA;