Input: mxs-lradc - do a NULL check on iores
platform_get_resource() may fail, so we should better do a NULL check and return error on failure. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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