[PATCH 19/44] driver core/platform_device_add_data: free platform data before overwriting

[Greg Kroah-Hartman]

From: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>

Reviewed-by: Viresh Kumar <viresh.kumar@xxxxxx>
Signed-off-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 drivers/base/platform.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

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 @@ 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;
 }
-- 
1.7.4.2

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