From 251e031d132ea3d03e0a32f2240c67f449979c5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 20 Apr 2011 09:44:43 +0200
Subject: [PATCH] driver core/platform_device_add_data: free platform data
 before overwriting
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Reviewed-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/platform.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 65cb4c397603..58ad8e8ad7a3 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -228,6 +228,7 @@ int platform_device_add_data(struct platform_device *pdev, const void *data,
 			return -ENOMEM;
 	}
 
+	kfree(pdev->dev.platform_data);
 	pdev->dev.platform_data = d;
 	return 0;
 }