BUG_ON() is rather useless for debugging as it leads to panic(). Use WARN_ON() and handle the error cases accordingly.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/sparc/cs4231.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index 54aaad2a10f5..b47f6fe6277f 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -429,7 +429,8 @@ static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont, unsigned int period_size = snd_pcm_lib_period_bytes(substream); unsigned int offset = period_size * (*periods_sent);
- BUG_ON(period_size >= (1 << 24)); + if (WARN_ON(period_size >= (1 << 24))) + return;
if (dma_cont->request(dma_cont, runtime->dma_addr + offset, period_size)) @@ -912,7 +913,8 @@ static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream) chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO);
- BUG_ON(runtime->period_size > 0xffff + 1); + if (WARN_ON(runtime->period_size > 0xffff + 1)) + return -EINVAL;
chip->p_periods_sent = 0; spin_unlock_irqrestore(&chip->lock, flags);