Commit 5a19b178 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: sparc/cs4231: Use WARN_ON() instead of BUG_ON() 



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

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 025be74c

sound/sparc/cs4231.c

+4 −2
Original line number Diff line number Diff line
@@ -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);