[alsa-devel] [PATCH 1/3] ASoC: tas571x: Kill BUG_ON() usage

Takashi Iwai tiwai at suse.de
Thu Sep 7 10:59:16 CEST 2017


Don't use BUG_ON() for a non-critical sanity check on production
systems.  This patch replaces with a softer WARN_ON() and an error
path.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/soc/codecs/tas571x.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c
index 810369f687d7..a09499977be4 100644
--- a/sound/soc/codecs/tas571x.c
+++ b/sound/soc/codecs/tas571x.c
@@ -697,7 +697,8 @@ static int tas571x_i2c_probe(struct i2c_client *client,
 		return PTR_ERR(priv->mclk);
 	}
 
-	BUG_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES);
+	if (WARN_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES))
+		return -EINVAL;
 	for (i = 0; i < priv->chip->num_supply_names; i++)
 		priv->supplies[i].supply = priv->chip->supply_names[i];
 
-- 
2.14.1



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