diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 65cb4c3..58ad8e8 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -228,6 +228,7 @@
 			return -ENOMEM;
 	}
 
+	kfree(pdev->dev.platform_data);
 	pdev->dev.platform_data = d;
 	return 0;
 }