rt2x00: fix clk_get call

clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().

Reported-by: Felix Fietkau <nbd@nbd.name>
Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

path: root/sound/soc/samsung/spdif.h

/* sound/soc/samsung/spdif.h
 *
 * ALSA SoC Audio Layer - Samsung S/PDIF Controller driver
 *
 * Copyright (c) 2010 Samsung Electronics Co. Ltd
 *		http://www.samsung.com/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __SND_SOC_SAMSUNG_SPDIF_H
#define __SND_SOC_SAMSUNG_SPDIF_H	__FILE__

#define SND_SOC_SPDIF_INT_MCLK		0
#define SND_SOC_SPDIF_EXT_MCLK		1

#endif	/* __SND_SOC_SAMSUNG_SPDIF_H */