According to its documentation, clk_get() returns a "valid IS_ERR() condition
containing errno", so we should call IS_ERR() rather than a NULL check.
Signed-off-by: NCyril Roelandt <tipecaml@gmail.com>
Acked-by: NKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>