[PATCH v2] staging: greybus: light: Release memory obtained by kasprintf

[Arvind Yadav]

 - Free memory region, if gb_lights_channel_config is not successful.
 - No need to add check for gb_lights_channel_flash_config().

Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
---
changes in v2:
            - Subject line changed.
            - add kfree in __gb_lights_led_unregister().
            - No need to check return value of gb_lights_channel_flash_config().

 drivers/staging/greybus/light.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c
index 3f4148c..bc1f8d2 100644
--- a/drivers/staging/greybus/light.c
+++ b/drivers/staging/greybus/light.c
@@ -926,6 +926,8 @@ static void __gb_lights_led_unregister(struct gb_channel 
*channel)
 
        led_classdev_unregister(cdev);
        channel->led = NULL;
+       kfree(cdev->name);
+       cdev->name = NULL;
 }
 
 static void gb_lights_channel_unregister(struct gb_channel *channel)
@@ -998,11 +1000,8 @@ static int gb_lights_channel_config(struct gb_light 
*light,
 
        light->has_flash = true;
 
-       ret = gb_lights_channel_flash_config(channel);
-       if (ret < 0)
-               return ret;
+       return gb_lights_channel_flash_config(channel);
 
-       return ret;
 }
 
 static int gb_lights_light_config(struct gb_lights *glights, u8 id)
-- 
1.9.1