ALSA: Kill snd_assert() in sound/isa/*

Kill snd_assert() in sound/isa/*, either removed or replaced with
if () with snd_BUG_ON().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/isa/gus/gus_main.c

@@ -276,9 +276,11 @@ static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
 	static unsigned char dmas[8] =
 		{6, 1, 0, 2, 0, 3, 4, 5};
 
-	snd_assert(gus != NULL, return -EINVAL);
+	if (snd_BUG_ON(!gus))
+		return -EINVAL;
 	card = gus->card;
-	snd_assert(card != NULL, return -EINVAL);
+	if (snd_BUG_ON(!card))
+		return -EINVAL;
 
 	gus->mix_cntrl_reg &= 0xf8;
 	gus->mix_cntrl_reg |= 0x01;	/* disable MIC, LINE IN, enable LINE OUT */

sound/isa/gus/gus_mixer.c

@@ -161,9 +161,11 @@ int snd_gf1_new_mixer(struct snd_gus_card * gus)
 	unsigned int idx, max;
 	int err;
 
-	snd_assert(gus != NULL, return -EINVAL);
+	if (snd_BUG_ON(!gus))
+		return -EINVAL;
 	card = gus->card;
-	snd_assert(card != NULL, return -EINVAL);
+	if (snd_BUG_ON(!card))
+		return -EINVAL;
 
 	if (gus->ics_flag)
 		snd_component_add(card, "ICS2101");

sound/isa/gus/gus_pcm.c

@@ -352,8 +352,10 @@ static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream,
 	
 	bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2));
 	len = samples_to_bytes(runtime, count);
-	snd_assert(bpos <= pcmp->dma_size, return -EIO);
-	snd_assert(bpos + len <= pcmp->dma_size, return -EIO);
+	if (snd_BUG_ON(bpos > pcmp->dma_size))
+		return -EIO;
+	if (snd_BUG_ON(bpos + len > pcmp->dma_size))
+		return -EIO;
 	if (copy_from_user(runtime->dma_area + bpos, src, len))
 		return -EFAULT;
 	if (snd_gf1_pcm_use_dma && len > 32) {
@@ -381,8 +383,10 @@ static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream,
 	
 	bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2));
 	len = samples_to_bytes(runtime, count);
-	snd_assert(bpos <= pcmp->dma_size, return -EIO);
-	snd_assert(bpos + len <= pcmp->dma_size, return -EIO);
+	if (snd_BUG_ON(bpos > pcmp->dma_size))
+		return -EIO;
+	if (snd_BUG_ON(bpos + len > pcmp->dma_size))
+		return -EIO;
 	snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos, count);
 	if (snd_gf1_pcm_use_dma && len > 32) {
 		return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len);