staging: greybus: light: Release memory obtained by kasprintf

[ Upstream commit 04820da21050b35eed68aa046115d810163ead0c ]

Free memory region, if gb_lights_channel_config is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c
index 3f4148c92308e62474bc792463421e6d4f93a959..0f538b8c3a07629f56f85b92737472018553c0b8 100644 (file)
--- a/drivers/staging/greybus/light.c
+++ b/drivers/staging/greybus/light.c
@@ -925,6 +925,8 @@ static void __gb_lights_led_unregister(struct gb_channel *channel)
                return;
 
        led_classdev_unregister(cdev);
+       kfree(cdev->name);
+       cdev->name = NULL;
        channel->led = NULL;
 }