[ALSA] at73c213: fix error checking for clk API

The clk_round_rate() and clk_set_rate() will return int, so not store thier
return value to unsigned long variable.  This bug hides real error on these
API.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c
index b8860b26fc62..c1b0b9dff819 100644
--- a/sound/spi/at73c213.c
+++ b/sound/spi/at73c213.c
@@ -133,7 +133,8 @@ static struct snd_pcm_hardware snd_at73c213_playback_hw = {
 static int snd_at73c213_set_bitrate(struct snd_at73c213 *chip)
 {
         unsigned long ssc_rate = clk_get_rate(chip->ssc->clk);
-        unsigned long dac_rate_new, ssc_div, status;
+        unsigned long dac_rate_new, ssc_div;
+        int status;
         unsigned long ssc_div_max, ssc_div_min;
         int max_tries;