driver core/platform_device_add_data: free platform data before overwriting

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>
This commit is contained in:
Uwe Kleine-König 2011-04-20 09:44:43 +02:00 committed by Greg Kroah-Hartman
parent 27a33f9e8f
commit 251e031d13

View File

@ -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;
}