[alsa-devel] [PATCH 09/31] ASoC: wm8776: Use WARN_ON() instead of BUG_ON()

Takashi Iwai tiwai at suse.de
Tue Nov 5 18:39:56 CET 2013


BUG_ON() is rather useless for debugging as it leads to panic().
Use WARN_ON() and handle the error cases accordingly.

Cc: patches at opensource.wolfsonmicro.com
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/soc/codecs/wm8776.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index f31017ed1381..942d58e455f3 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -325,7 +325,8 @@ static int wm8776_set_sysclk(struct snd_soc_dai *dai,
 	struct snd_soc_codec *codec = dai->codec;
 	struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec);
 
-	BUG_ON(dai->driver->id >= ARRAY_SIZE(wm8776->sysclk));
+	if (WARN_ON(dai->driver->id >= ARRAY_SIZE(wm8776->sysclk)))
+		return -EINVAL;
 
 	wm8776->sysclk[dai->driver->id] = freq;
 
-- 
1.8.4.2



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