ALSA: Kill snd_assert() in other places

Kill snd_assert() in other places, either removed or replaced with
if () with snd_BUG_ON().

Signed-off-by: Takashi Iwai <[e-mail]>
Signed-off-by: Jaroslav Kysela <[e-mail]>

drivers/media/video/saa7134/saa7134-alsa.c

···
 	period_size = params_period_bytes(hw_params);
 	periods = params_periods(hw_params);
 
-	snd_assert(period_size >= 0x100 && period_size <= 0x10000,
-		   return -EINVAL);
-	snd_assert(periods >= 4, return -EINVAL);
-	snd_assert(period_size * periods <= 1024 * 1024, return -EINVAL);
+	if (period_size < 0x100 || period_size > 0x10000)
+		return -EINVAL;
+	if (periods < 4)
+		return -EINVAL;
+	if (period_size * periods > 1024 * 1024)
+		return -EINVAL;
 
 	dev = saa7134->dev;
 
···
 	unsigned int idx;
 	int err;
 
-	snd_assert(chip != NULL, return -EINVAL);
+	if (snd_BUG_ON(!chip))
+		return -EINVAL;
 	strcpy(card->mixername, "SAA7134 Mixer");
 
 	for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_controls); idx++) {

include/sound/vx_core.h

···
  */
 static inline int vx_test_and_ack(struct vx_core *chip)
 {
-	snd_assert(chip->ops->test_and_ack, return -ENXIO);
 	return chip->ops->test_and_ack(chip);
 }
 
 static inline void vx_validate_irq(struct vx_core *chip, int enable)
 {
-	snd_assert(chip->ops->validate_irq, return);
 	chip->ops->validate_irq(chip, enable);
 }
 
 static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg)
 {
-	snd_assert(chip->ops->in8, return 0);
 	return chip->ops->in8(chip, reg);
 }
 
 static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg)
 {
-	snd_assert(chip->ops->in32, return 0);
 	return chip->ops->in32(chip, reg);
 }
 
 static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val)
 {
-	snd_assert(chip->ops->out8, return);
 	chip->ops->out8(chip, reg, val);
 }
 
 static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
 {
-	snd_assert(chip->ops->out32, return);
 	chip->ops->out32(chip, reg, val);
 }
 
···
 
 static inline void vx_reset_dsp(struct vx_core *chip)
 {
-	snd_assert(chip->ops->reset_dsp, return);
 	chip->ops->reset_dsp(chip);
 }
 
···
 static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
 				       struct vx_pipe *pipe, int count)
 {
-	snd_assert(chip->ops->dma_write, return);
 	chip->ops->dma_write(chip, runtime, pipe, count);
 }
 
 static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
 				      struct vx_pipe *pipe, int count)
 {
-	snd_assert(chip->ops->dma_read, return);
 	chip->ops->dma_read(chip, runtime, pipe, count);
 }
 

sound/arm/sa11xx-uda1341.c

···
                 
 	/* we are requested to process synchronization DMA transfer */
 	if (s->tx_spin) {
-		snd_assert(s->stream_id == SNDRV_PCM_STREAM_PLAYBACK, return);
+		if (snd_BUG_ON(s->stream_id != SNDRV_PCM_STREAM_PLAYBACK))
+			return;
 		/* fill the xmit dma buffers and return */
 #ifdef HH_VERSION
 		sa1100_dma_set_spin(s->dmach, FORCE_CLOCK_ADDR, FORCE_CLOCK_SIZE);
···
 				continue;		/* special case */
 		} else {
 			offset = dma_size * s->period;
-			snd_assert(dma_size <= DMA_BUF_SIZE, );
+			snd_BUG_ON(dma_size > DMA_BUF_SIZE);
 		}
 #ifdef HH_VERSION
 		ret = sa1100_dma_queue_buffer(s->dmach, s, runtime->dma_addr + offset, dma_size);

sound/drivers/dummy.c

···
 	unsigned int idx;
 	int err;
 
-	snd_assert(dummy != NULL, return -EINVAL);
+	if (snd_BUG_ON(!dummy))
+		return -EINVAL;
 	spin_lock_init(&dummy->mixer_lock);
 	strcpy(card->mixername, "Dummy Mixer");
 

sound/drivers/opl3/opl3_lib.c

···
 		 * If we had an OPL4 chip, opl3->hardware would have been set
 		 * by the OPL4 driver; so we can assume OPL3 here.
 		 */
-		snd_assert(opl3->r_port != 0, return -ENODEV);
+		if (snd_BUG_ON(!opl3->r_port))
+			return -ENODEV;
 		opl3->hardware = OPL3_HW_OPL3;
 	}
 	return 0;
···
 
 static int snd_opl3_free(struct snd_opl3 *opl3)
 {
-	snd_assert(opl3 != NULL, return -ENXIO);
+	if (snd_BUG_ON(!opl3))
+		return -ENXIO;
 	if (opl3->private_free)
 		opl3->private_free(opl3);
 	snd_opl3_clear_patches(opl3);

sound/drivers/opl3/opl3_midi.c

···
 
 	struct snd_opl3_voice *vp, *vp2;
 
-	snd_assert(voice < MAX_OPL3_VOICES, return);
+	if (snd_BUG_ON(voice >= MAX_OPL3_VOICES))
+		return;
 
 	vp = &opl3->voices[voice];
 	if (voice < MAX_OPL2_VOICES) {
···
 
 	struct snd_opl3_voice *vp;
 
-	snd_assert(voice < MAX_OPL3_VOICES, return);
+	if (snd_BUG_ON(voice >= MAX_OPL3_VOICES))
+		return;
 
 	vp = &opl3->voices[voice];
 	if (vp->chan == NULL)

sound/drivers/opl3/opl3_oss.c

···
 	struct snd_opl3 *opl3 = closure;
 	int err;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 
 	if ((err = snd_opl3_synth_setup(opl3)) < 0)
 		return err;
···
 {
 	struct snd_opl3 *opl3;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	opl3 = arg->private_data;
 
 	snd_opl3_synth_cleanup(opl3);
···
 	char name[32];
 	int err, type;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	opl3 = arg->private_data;
 
 	if (format == FM_PATCH)
···
 {
 	struct snd_opl3 *opl3;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	opl3 = arg->private_data;
 	switch (cmd) {
 		case SNDCTL_FM_LOAD_INSTR:
···
 {
 	struct snd_opl3 *opl3;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	opl3 = arg->private_data;
 
 	return 0;

sound/drivers/opl3/opl3_synth.c

···
 	struct snd_opl3 *opl3 = hw->private_data;
 	void __user *argp = (void __user *)arg;
 
-	snd_assert(opl3 != NULL, return -EINVAL);
+	if (snd_BUG_ON(!opl3))
+		return -EINVAL;
 
 	switch (cmd) {
 		/* get information */

sound/drivers/opl4/opl4_synth.c

···
 	if (!list_empty(&opl4->off_voices))
 		return list_entry(opl4->off_voices.next, struct opl4_voice, list);
 	/* then get the oldest key-on voice */
-	snd_assert(!list_empty(&opl4->on_voices), );
+	snd_BUG_ON(list_empty(&opl4->on_voices));
 	return list_entry(opl4->on_voices.next, struct opl4_voice, list);
 }
 

sound/drivers/vx/vx_cmd.c

···
  */
 void vx_init_rmh(struct vx_rmh *rmh, unsigned int cmd)
 {
-	snd_assert(cmd < CMD_LAST_INDEX, return);
+	if (snd_BUG_ON(cmd >= CMD_LAST_INDEX))
+		return;
 	rmh->LgCmd = vx_dsp_cmds[cmd].length;
 	rmh->LgStat = vx_dsp_cmds[cmd].st_length;
 	rmh->DspStat = vx_dsp_cmds[cmd].st_type;

sound/drivers/vx/vx_core.c

···
 
 	if (size < 1)
 		return 0;
-	snd_assert(size <= SIZE_MAX_STATUS, return -EINVAL);
+	if (snd_BUG_ON(size > SIZE_MAX_STATUS))
+		return -EINVAL;
 
 	for (i = 1; i <= size; i++) {
 		/* trigger an irq MESS_WRITE_NEXT */
···
 	int no_fillup = vx_has_new_dsp(chip);
 
 	/* check the length of boot image */
-	snd_assert(boot->size > 0, return -EINVAL);
-	snd_assert(boot->size % 3 == 0, return -EINVAL);
+	if (boot->size <= 0)
+		return -EINVAL;
+	if (boot->size % 3)
+		return -EINVAL;
 #if 0
 	{
 		/* more strict check */
 		unsigned int c = ((u32)boot->data[0] << 16) | ((u32)boot->data[1] << 8) | boot->data[2];
-		snd_assert(boot->size == (c + 2) * 3, return -EINVAL);
+		if (boot->size != (c + 2) * 3)
+			return -EINVAL;
 	}
 #endif
 
···
  */
 static void vx_reset_board(struct vx_core *chip, int cold_reset)
 {
-	snd_assert(chip->ops->reset_board, return);
+	if (snd_BUG_ON(!chip->ops->reset_board))
+		return;
 
 	/* current source, later sync'ed with target */
 	chip->audio_source = VX_AUDIO_SRC_LINE;
···
 	unsigned int csum = 0;
 	const unsigned char *image, *cptr;
 
-	snd_assert(dsp->size % 3 == 0, return -EINVAL);
+	if (dsp->size % 3)
+		return -EINVAL;
 
 	vx_toggle_dac_mute(chip, 1);
 
···
 {
 	struct vx_core *chip;
 
-	snd_assert(card && hw && ops, return NULL);
+	if (snd_BUG_ON(!card || !hw || !ops))
+		return NULL;
 
 	chip = kzalloc(sizeof(*chip) + extra_size, GFP_KERNEL);
 	if (! chip) {

sound/drivers/vx/vx_hwdep.c

···
 	};
 	struct vx_core *vx = hw->private_data;
 
-	snd_assert(type_ids[vx->type], return -EINVAL);
+	if (snd_BUG_ON(!type_ids[vx->type]))
+		return -EINVAL;
 	strcpy(info->id, type_ids[vx->type]);
 	if (vx_is_pcmcia(vx))
 		info->num_dsps = 4;
···
 	int index, err;
 	struct firmware *fw;
 
-	snd_assert(vx->ops->load_dsp, return -ENXIO);
+	if (snd_BUG_ON(!vx->ops->load_dsp))
+		return -ENXIO;
 
 	fw = kmalloc(sizeof(*fw), GFP_KERNEL);
 	if (! fw) {

sound/drivers/vx/vx_mixer.c

···
 {
 	unsigned long flags;
 
-	snd_assert(chip->ops->write_codec, return);
+	if (snd_BUG_ON(!chip->ops->write_codec))
+		return;
 
 	if (chip->chip_status & VX_STAT_IS_STALE)
 		return;

sound/drivers/vx/vx_pcm.c

···
 		return -EBUSY;
 
 	audio = subs->pcm->device * 2;
-	snd_assert(audio < chip->audio_outs, return -EINVAL);
+	if (snd_BUG_ON(audio >= chip->audio_outs))
+		return -EINVAL;
 	
 	/* playback pipe may have been already allocated for monitoring */
 	pipe = chip->playback_pipes[audio];
···
 		return -EBUSY;
 
 	audio = subs->pcm->device * 2;
-	snd_assert(audio < chip->audio_ins, return -EINVAL);
+	if (snd_BUG_ON(audio >= chip->audio_ins))
+		return -EINVAL;
 	err = vx_alloc_pipe(chip, 1, audio, 2, &pipe);
 	if (err < 0)
 		return err;
···
 			}
 			if (capture)
 				continue;
-			snd_assert(p >= 0 && (unsigned int)p < chip->audio_outs,);
+			if (snd_BUG_ON(p < 0 || p >= chip->audio_outs))
+				continue;
 			pipe = chip->playback_pipes[p];
 			if (pipe && pipe->substream) {
 				vx_pcm_playback_update(chip, pipe->substream, pipe);

sound/drivers/vx/vx_uer.c

···
 {
 	int hexfreq;
 
-	snd_assert(freq > 0, return 0);
+	if (snd_BUG_ON(freq <= 0))
+		return 0;
 
 	hexfreq = (28224000 * 10) / freq;
 	hexfreq = (hexfreq + 5) / 10;
 
 	/* max freq = 55125 Hz */
-	snd_assert(hexfreq > 0x00000200, return 0);
+	if (snd_BUG_ON(hexfreq <= 0x00000200))
+		return 0;
 
 	if (hexfreq <= 0x03ff)
 		return hexfreq - 0x00000201;

sound/i2c/cs8427.c

···
 	unsigned long end_time;
 	int data, aes3input = 0;
 
-	snd_assert(cs8427, return);
+	if (snd_BUG_ON(!cs8427))
+		return;
 	chip = cs8427->private_data;
 	snd_i2c_lock(cs8427->bus);
 	if ((chip->regmap[CS8427_REG_CLOCKSOURCE] & CS8427_RXDAES3INPUT) ==
···
 	unsigned int idx;
 	int err;
 
-	snd_assert(play_substream && cap_substream, return -EINVAL);
+	if (snd_BUG_ON(!play_substream || !cap_substream))
+		return -EINVAL;
 	for (idx = 0; idx < ARRAY_SIZE(snd_cs8427_iec958_controls); idx++) {
 		kctl = snd_ctl_new1(&snd_cs8427_iec958_controls[idx], cs8427);
 		if (kctl == NULL)
···
 
 	chip->playback.substream = play_substream;
 	chip->capture.substream = cap_substream;
-	snd_assert(chip->playback.pcm_ctl, return -EIO);
+	if (snd_BUG_ON(!chip->playback.pcm_ctl))
+		return -EIO;
 	return 0;
 }
 
···
 {
 	struct cs8427 *chip;
 
-	snd_assert(cs8427, return -ENXIO);
+	if (snd_BUG_ON(!cs8427))
+		return -ENXIO;
 	chip = cs8427->private_data;
 	if (active)
 		memcpy(chip->playback.pcm_status,
···
 	char *status;
 	int err, reset;
 
-	snd_assert(cs8427, return -ENXIO);
+	if (snd_BUG_ON(!cs8427))
+		return -ENXIO;
 	chip = cs8427->private_data;
 	status = chip->playback.pcm_status;
 	snd_i2c_lock(cs8427->bus);

sound/i2c/i2c.c

···
 	struct snd_i2c_bus *slave;
 	struct snd_i2c_device *device;
 
-	snd_assert(bus != NULL, return -EINVAL);
+	if (snd_BUG_ON(!bus))
+		return -EINVAL;
 	while (!list_empty(&bus->devices)) {
 		device = snd_i2c_device(bus->devices.next);
 		snd_i2c_device_free(device);
···
 	struct snd_i2c_device *device;
 
 	*rdevice = NULL;
-	snd_assert(bus != NULL, return -EINVAL);
+	if (snd_BUG_ON(!bus))
+		return -EINVAL;
 	device = kzalloc(sizeof(*device), GFP_KERNEL);
 	if (device == NULL)
 		return -ENOMEM;

sound/i2c/l3/uda1341.c

···
 	struct l3_client *clnt;
 	int idx, err;
 
-	snd_assert(card != NULL, return -EINVAL);
+	if (snd_BUG_ON(!card))
+		return -EINVAL;
 
 	clnt = kzalloc(sizeof(*clnt), GFP_KERNEL);
 	if (clnt == NULL)

sound/i2c/other/ak4114.c

···
 	unsigned int idx;
 	int err;
 
-	snd_assert(cap_substream, return -EINVAL);
+	if (snd_BUG_ON(!cap_substream))
+		return -EINVAL;
 	ak4114->playback_substream = ply_substream;
 	ak4114->capture_substream = cap_substream;
 	for (idx = 0; idx < AK4114_CONTROLS; idx++) {

sound/i2c/other/ak4117.c

···
 	unsigned int idx;
 	int err;
 
-	snd_assert(cap_substream, return -EINVAL);
+	if (snd_BUG_ON(!cap_substream))
+		return -EINVAL;
 	ak4117->substream = cap_substream;
 	for (idx = 0; idx < AK4117_CONTROLS; idx++) {
 		kctl = snd_ctl_new1(&snd_ak4117_iec958_controls[idx], ak4117);

sound/mips/au1x00.c

···
 static void
 au1000_dma_stop(struct audio_stream *stream)
 {
-	snd_assert(stream->buffer, return);
+	if (snd_BUG_ON(!stream->buffer))
+		return;
 	disable_dma(stream->dma);
 }
 
 static void
 au1000_dma_start(struct audio_stream *stream)
 {
-	snd_assert(stream->buffer, return);
+	if (snd_BUG_ON(!stream->buffer))
+		return;
 
 	init_dma(stream->dma);
 	if (get_dma_active_buffer(stream->dma) == 0) {

sound/parisc/harmony.c

···
 	struct snd_card *card = h->card;
 	int idx, err;
 
-	snd_assert(h != NULL, return -EINVAL);
+	if (snd_BUG_ON(!h))
+		reutrn -EINVAL;
 	strcpy(card->mixername, "Harmony Gain control interface");
 
 	for (idx = 0; idx < HARMONY_CONTROLS; idx++) {

sound/pcmcia/vx/vxp_ops.c

···
 	int offset = pipe->hw_ptr;
 	unsigned short *addr = (unsigned short *)(runtime->dma_area + offset);
 
-	snd_assert(count % 2 == 0, return);
+	if (snd_BUG_ON(count % 2))
+		return;
 	vx_setup_pseudo_dma(chip, 0);
 	if (offset + count > pipe->buffer_bytes) {
 		int length = pipe->buffer_bytes - offset;

sound/ppc/awacs.c

···
 static void awacs_amp_free(struct snd_pmac *chip)
 {
 	struct awacs_amp *amp = chip->mixer_data;
-	snd_assert(amp, return);
+	if (!amp)
+		return;
 	kfree(amp);
 	chip->mixer_data = NULL;
 	chip->mixer_free = NULL;
···
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	int index = kcontrol->private_value;
 	struct awacs_amp *amp = chip->mixer_data;
-	snd_assert(amp, return -EINVAL);
-	snd_assert(index >= 0 && index <= 1, return -EINVAL);
+
 	ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31);
 	ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31);
 	return 0;
···
 	int index = kcontrol->private_value;
 	int vol[2];
 	struct awacs_amp *amp = chip->mixer_data;
-	snd_assert(amp, return -EINVAL);
-	snd_assert(index >= 0 && index <= 1, return -EINVAL);
 
 	vol[0] = (31 - (ucontrol->value.integer.value[0] & 31))
 		| (amp->amp_vol[index][0] & 32);
···
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	int index = kcontrol->private_value;
 	struct awacs_amp *amp = chip->mixer_data;
-	snd_assert(amp, return -EINVAL);
-	snd_assert(index >= 0 && index <= 1, return -EINVAL);
+
 	ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32)
 					? 0 : 1;
 	ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32)
···
 	int index = kcontrol->private_value;
 	int vol[2];
 	struct awacs_amp *amp = chip->mixer_data;
-	snd_assert(amp, return -EINVAL);
-	snd_assert(index >= 0 && index <= 1, return -EINVAL);
 
 	vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32)
 		| (amp->amp_vol[index][0] & 31);
···
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	int index = kcontrol->private_value;
 	struct awacs_amp *amp = chip->mixer_data;
-	snd_assert(amp, return -EINVAL);
-	snd_assert(index >= 0 && index <= 1, return -EINVAL);
+
 	ucontrol->value.integer.value[0] = amp->amp_tone[index];
 	return 0;
 }
···
 	int index = kcontrol->private_value;
 	struct awacs_amp *amp = chip->mixer_data;
 	unsigned int val;
-	snd_assert(amp, return -EINVAL);
-	snd_assert(index >= 0 && index <= 1, return -EINVAL);
+
 	val = ucontrol->value.integer.value[0];
 	if (val > 14)
 		return -EINVAL;
···
 {
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	struct awacs_amp *amp = chip->mixer_data;
-	snd_assert(amp, return -EINVAL);
+
 	ucontrol->value.integer.value[0] = amp->amp_master;
 	return 0;
 }
···
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	struct awacs_amp *amp = chip->mixer_data;
 	unsigned int val;
-	snd_assert(amp, return -EINVAL);
+
 	val = ucontrol->value.integer.value[0];
 	if (val > 99)
 		return -EINVAL;

sound/ppc/beep.c

···
 			     struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
-	snd_assert(chip->beep, return -ENXIO);
+	if (snd_BUG_ON(!chip->beep))
+		return -ENXIO;
 	ucontrol->value.integer.value[0] = chip->beep->volume;
 	return 0;
 }
···
 {
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	unsigned int oval, nval;
-	snd_assert(chip->beep, return -ENXIO);
+	if (snd_BUG_ON(!chip->beep))
+		return -ENXIO;
 	oval = chip->beep->volume;
 	nval = ucontrol->value.integer.value[0];
 	if (nval > 100)

sound/ppc/tumbler.c

···
 {
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	struct pmac_tumbler *mix = chip->mixer_data;
-	snd_assert(mix, return -ENODEV);
+
 	ucontrol->value.integer.value[0] = mix->master_vol[0];
 	ucontrol->value.integer.value[1] = mix->master_vol[1];
 	return 0;
···
 	unsigned int vol[2];
 	int change;
 
-	snd_assert(mix, return -ENODEV);
 	vol[0] = ucontrol->value.integer.value[0];
 	vol[1] = ucontrol->value.integer.value[1];
 	if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
···
 {
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	struct pmac_tumbler *mix = chip->mixer_data;
-	snd_assert(mix, return -ENODEV);
+
 	ucontrol->value.integer.value[0] = mix->master_switch[0];
 	ucontrol->value.integer.value[1] = mix->master_switch[1];
 	return 0;
···
 	struct pmac_tumbler *mix = chip->mixer_data;
 	int change;
 
-	snd_assert(mix, return -ENODEV);
 	change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
 		mix->master_switch[1] != ucontrol->value.integer.value[1];
 	if (change) {
···
 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 	struct pmac_tumbler *mix = chip->mixer_data;
 
-	snd_assert(mix, return -ENODEV);
 	ucontrol->value.enumerated.item[0] = mix->capture_source;
 	return 0;
 }
···
 	struct pmac_tumbler *mix = chip->mixer_data;
 	int change;
 
-	snd_assert(mix, return -ENODEV);
 	change = ucontrol->value.enumerated.item[0] != mix->capture_source;
 	if (change) {
 		mix->capture_source = !!ucontrol->value.enumerated.item[0];
···
 		return;
 
 	mix = chip->mixer_data;
-	snd_assert(mix, return);
+	if (snd_BUG_ON(!mix))
+		return;
 
 	headphone = tumbler_detect_headphone(chip);
 	lineout = tumbler_detect_lineout(chip);
···
 	if (chip->auto_mute) {
 		struct pmac_tumbler *mix;
 		mix = chip->mixer_data;
-		snd_assert(mix, return);
+		if (snd_BUG_ON(!mix))
+			return;
 		mix->auto_mute_notify = do_notify;
 		schedule_work(&device_change);
 	}
···
 {
 	struct pmac_tumbler *mix = chip->mixer_data;
 
-	snd_assert(mix, return);
-
 	mix->acs &= ~1;
 	mix->master_switch[0] = mix->save_master_switch[0];
 	mix->master_switch[1] = mix->save_master_switch[1];
···
 {
 	int irq;
 	struct pmac_tumbler *mix = chip->mixer_data;
-	snd_assert(mix, return -EINVAL);
 
 	if (tumbler_find_device("audio-hw-reset",
 				"platform-do-hw-reset",

sound/sh/aica.c

···
 {
 	int i;
 	unsigned long flags;
-	snd_assert(length % 4 == 0, return);
+	if (snd_BUG_ON(length % 4))
+		return;
 	for (i = 0; i < length; i++) {
 		if (!(i % 8))
 			spu_write_wait();

sound/sparc/amd7930.c

···
 			       /* playback count */ 1,
 			       /* capture count */  1, &pcm)) < 0)
 		return err;
-	snd_assert(pcm != NULL, return -EINVAL);
 
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_amd7930_playback_ops);
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_amd7930_capture_ops);
···
 
 static int snd_amd7930_info_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo)
 {
-	int type = kctl->private_value;
-
-	snd_assert(type == VOLUME_MONITOR ||
-		   type == VOLUME_CAPTURE ||
-		   type == VOLUME_PLAYBACK, return -EINVAL);
-	(void) type;
-
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 1;
 	uinfo->value.integer.min = 0;
···
 	struct snd_amd7930 *amd = snd_kcontrol_chip(kctl);
 	int type = kctl->private_value;
 	int *swval;
-
-	snd_assert(type == VOLUME_MONITOR ||
-		   type == VOLUME_CAPTURE ||
-		   type == VOLUME_PLAYBACK, return -EINVAL);
 
 	switch (type) {
 	case VOLUME_MONITOR:
···
 	unsigned long flags;
 	int type = kctl->private_value;
 	int *swval, change;
-
-	snd_assert(type == VOLUME_MONITOR ||
-		   type == VOLUME_CAPTURE ||
-		   type == VOLUME_PLAYBACK, return -EINVAL);
 
 	switch (type) {
 	case VOLUME_MONITOR:
···
 	struct snd_card *card;
 	int idx, err;
 
-	snd_assert(amd != NULL && amd->card != NULL, return -EINVAL);
+	if (snd_BUG_ON(!amd || !amd->card))
+		return -EINVAL;
 
 	card = amd->card;
 	strcpy(card->mixername, card->shortname);

sound/sparc/cs4231.c

···
 	struct snd_cs4231 *chip = card->private_data;
 	int err, idx;
 
-	snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL);
+	if (snd_BUG_ON(!chip || !chip->pcm))
+		return -EINVAL;
 
 	strcpy(card->mixername, chip->pcm->name);
 

sound/sparc/dbri.c

···
 			       /* playback count */ 1,
 			       /* capture count */  1, &pcm)) < 0)
 		return err;
-	snd_assert(pcm != NULL, return -EINVAL);
 
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_dbri_ops);
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_dbri_ops);
···
 {
 	struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol);
 	struct dbri_streaminfo *info;
-	snd_assert(dbri != NULL, return -EINVAL);
+
+	if (snd_BUG_ON(!dbri))
+		return -EINVAL;
 	info = &dbri->stream_info[kcontrol->private_value];
-	snd_assert(info != NULL, return -EINVAL);
 
 	ucontrol->value.integer.value[0] = info->left_gain;
 	ucontrol->value.integer.value[1] = info->right_gain;
···
 	int shift = (kcontrol->private_value >> 8) & 0xff;
 	int mask = (kcontrol->private_value >> 16) & 0xff;
 	int invert = (kcontrol->private_value >> 24) & 1;
-	snd_assert(dbri != NULL, return -EINVAL);
+
+	if (snd_BUG_ON(!dbri))
+		return -EINVAL;
 
 	if (elem < 4)
 		ucontrol->value.integer.value[0] =
···
 	int invert = (kcontrol->private_value >> 24) & 1;
 	int changed = 0;
 	unsigned short val;
-	snd_assert(dbri != NULL, return -EINVAL);
+
+	if (snd_BUG_ON(!dbri))
+		return -EINVAL;
 
 	val = (ucontrol->value.integer.value[0] & mask);
 	if (invert == 1)
···
 	int idx, err;
 	struct snd_dbri *dbri;
 
-	snd_assert(card != NULL && card->private_data != NULL, return -EINVAL);
+	if (snd_BUG_ON(!card || !card->private_data))
+		return -EINVAL;
 	dbri = card->private_data;
 
 	strcpy(card->mixername, card->shortname);

sound/synth/emux/emux.c

···
 	int err;
 	struct snd_sf_callback sf_cb;
 
-	snd_assert(emu->hw != NULL, return -EINVAL);
-	snd_assert(emu->max_voices > 0, return -EINVAL);
-	snd_assert(card != NULL, return -EINVAL);
-	snd_assert(name != NULL, return -EINVAL);
+	if (snd_BUG_ON(!emu->hw || emu->max_voices <= 0))
+		return -EINVAL;
+	if (snd_BUG_ON(!card || !name))
+		return -EINVAL;
 
 	emu->card = card;
 	emu->name = kstrdup(name, GFP_KERNEL);

sound/synth/emux/emux_nrpn.c

···
 	struct snd_emux_port *port;
 
 	port = p;
-	snd_assert(port != NULL, return);
-	snd_assert(chan != NULL, return);
+	if (snd_BUG_ON(!port || !chan))
+		return;
 
 	if (chan->control[MIDI_CTL_NONREG_PARM_NUM_MSB] == 127 &&
 	    chan->control[MIDI_CTL_NONREG_PARM_NUM_LSB] <= 26) {
···
 	struct snd_emux *emu;
 
 	port = p;
-	snd_assert(port != NULL, return);
-	snd_assert(chset != NULL, return);
+	if (snd_BUG_ON(!port || !chset))
+		return;
 	emu = port->emu;
 
 	switch (parsed) {

sound/synth/emux/emux_oss.c

···
 	char tmpname[64];
 
 	emu = closure;
-	snd_assert(arg != NULL && emu != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg || !emu))
+		return -ENXIO;
 
 	mutex_lock(&emu->register_mutex);
 
···
 	struct snd_emux *emu;
 	struct snd_emux_port *p;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	p = arg->private_data;
-	snd_assert(p != NULL, return -ENXIO);
+	if (snd_BUG_ON(!p))
+		return -ENXIO;
 
 	emu = p->emu;
-	snd_assert(emu != NULL, return -ENXIO);
+	if (snd_BUG_ON(!emu))
+		return -ENXIO;
 
 	mutex_lock(&emu->register_mutex);
 	snd_emux_sounds_off_all(p);
···
 	struct snd_emux_port *p;
 	int rc;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	p = arg->private_data;
-	snd_assert(p != NULL, return -ENXIO);
+	if (snd_BUG_ON(!p))
+		return -ENXIO;
 
 	emu = p->emu;
-	snd_assert(emu != NULL, return -ENXIO);
+	if (snd_BUG_ON(!emu))
+		return -ENXIO;
 
 	if (format == GUS_PATCH)
 		rc = snd_soundfont_load_guspatch(emu->sflist, buf, count,
···
 	struct snd_emux_port *p;
 	struct snd_emux *emu;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	p = arg->private_data;
-	snd_assert(p != NULL, return -ENXIO);
+	if (snd_BUG_ON(!p))
+		return -ENXIO;
 
 	emu = p->emu;
-	snd_assert(emu != NULL, return -ENXIO);
+	if (snd_BUG_ON(!emu))
+		return -ENXIO;
 
 	switch (cmd) {
 	case SNDCTL_SEQ_RESETSAMPLES:
···
 {
 	struct snd_emux_port *p;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	p = arg->private_data;
-	snd_assert(p != NULL, return -ENXIO);
+	if (snd_BUG_ON(!p))
+		return -ENXIO;
 	snd_emux_reset_port(p);
 	return 0;
 }
···
 	unsigned char cmd, *data;
 
 	p = private_data;
-	snd_assert(p != NULL, return -EINVAL);
+	if (snd_BUG_ON(!p))
+		return -EINVAL;
 	emu = p->emu;
-	snd_assert(emu != NULL, return -EINVAL);
+	if (snd_BUG_ON(!emu))
+		return -EINVAL;
 	if (ev->type != SNDRV_SEQ_EVENT_OSS)
 		return snd_emux_event_input(ev, direct, private_data, atomic, hop);
 

sound/synth/emux/emux_seq.c

···
 	struct snd_emux_port *port;
 
 	port = private_data;
-	snd_assert(port != NULL && ev != NULL, return -EINVAL);
+	if (snd_BUG_ON(!port || !ev))
+		return -EINVAL;
 
 	snd_midi_process_event(&emux_ops, ev, &port->chset);
 
···
 	struct snd_emux *emu;
 
 	p = private_data;
-	snd_assert(p != NULL, return -EINVAL);
+	if (snd_BUG_ON(!p))
+		return -EINVAL;
 	emu = p->emu;
-	snd_assert(emu != NULL, return -EINVAL);
+	if (snd_BUG_ON(!emu))
+		return -EINVAL;
 
 	mutex_lock(&emu->register_mutex);
 	snd_emux_init_port(p);
···
 	struct snd_emux *emu;
 
 	p = private_data;
-	snd_assert(p != NULL, return -EINVAL);
+	if (snd_BUG_ON(!p))
+		return -EINVAL;
 	emu = p->emu;
-	snd_assert(emu != NULL, return -EINVAL);
+	if (snd_BUG_ON(!emu))
+		return -EINVAL;
 
 	mutex_lock(&emu->register_mutex);
 	snd_emux_sounds_off_all(p);

sound/synth/emux/emux_synth.c

···
 	struct snd_emux_port *port;
 
 	port = p;
-	snd_assert(port != NULL && chan != NULL, return);
+	if (snd_BUG_ON(!port || !chan))
+		return;
 
 	emu = port->emu;
-	snd_assert(emu != NULL, return);
-	snd_assert(emu->ops.get_voice != NULL, return);
-	snd_assert(emu->ops.trigger != NULL, return);
+	if (snd_BUG_ON(!emu || !emu->ops.get_voice || !emu->ops.trigger))
+		return;
 
 	key = note; /* remember the original note */
 	nvoices = get_zone(emu, port, &note, vel, chan, table);
···
 	struct snd_emux_port *port;
 
 	port = p;
-	snd_assert(port != NULL && chan != NULL, return);
+	if (snd_BUG_ON(!port || !chan))
+		return;
 
 	emu = port->emu;
-	snd_assert(emu != NULL, return);
-	snd_assert(emu->ops.release != NULL, return);
+	if (snd_BUG_ON(!emu || !emu->ops.release))
+		return;
 
 	spin_lock_irqsave(&emu->voice_lock, flags);
 	for (ch = 0; ch < emu->max_voices; ch++) {
···
 	struct snd_emux_port *port;
 
 	port = p;
-	snd_assert(port != NULL && chan != NULL, return);
+	if (snd_BUG_ON(!port || !chan))
+		return;
 
 	emu = port->emu;
-	snd_assert(emu != NULL, return);
-	snd_assert(emu->ops.update != NULL, return);
+	if (snd_BUG_ON(!emu || !emu->ops.update))
+		return;
 
 	spin_lock_irqsave(&emu->voice_lock, flags);
 	for (ch = 0; ch < emu->max_voices; ch++) {
···
 		return;
 
 	emu = port->emu;
-	snd_assert(emu != NULL, return);
-	snd_assert(emu->ops.update != NULL, return);
+	if (snd_BUG_ON(!emu || !emu->ops.update))
+		return;
 
 	spin_lock_irqsave(&emu->voice_lock, flags);
 	for (i = 0; i < emu->max_voices; i++) {
···
 		return;
 
 	emu = port->emu;
-	snd_assert(emu != NULL, return);
-	snd_assert(emu->ops.update != NULL, return);
+	if (snd_BUG_ON(!emu || !emu->ops.update))
+		return;
 
 	spin_lock_irqsave(&emu->voice_lock, flags);
 	for (i = 0; i < emu->max_voices; i++) {
···
 	struct snd_emux_port *port;
 
 	port = p;
-	snd_assert(port != NULL && chan != NULL, return);
+	if (snd_BUG_ON(!port || !chan))
+		return;
 
 	switch (type) {
 	case MIDI_CTL_MSB_MAIN_VOLUME:
···
 	struct snd_emux_port *port;
 
 	port = p;
-	snd_assert(port != NULL && chan != NULL, return);
+	if (snd_BUG_ON(!port || !chan))
+		return;
 
 	emu = port->emu;
-	snd_assert(emu != NULL, return);
-	snd_assert(emu->ops.terminate != NULL, return);
+	if (snd_BUG_ON(!emu || !emu->ops.terminate))
+		return;
 
 	terminate_note1(emu, note, chan, 1);
 }
···
 	struct snd_emux_voice *vp;
 	unsigned long flags;
 
-	snd_assert(port != NULL, return);
+	if (snd_BUG_ON(!port))
+		return;
 	emu = port->emu;
-	snd_assert(emu != NULL, return);
-	snd_assert(emu->ops.terminate != NULL, return);
+	if (snd_BUG_ON(!emu || !emu->ops.terminate))
+		return;
 
 	spin_lock_irqsave(&emu->voice_lock, flags);
 	for (i = 0; i < emu->max_voices; i++) {

sound/synth/util_mem.c

···
 {
 	struct list_head *p;
 
-	snd_assert(hdr != NULL, return);
+	if (!hdr)
+		return;
 	/* release all blocks */
 	while ((p = hdr->block.next) != &hdr->block) {
 		list_del(p);
···
 	unsigned int units, prev_offset;
 	struct list_head *p;
 
-	snd_assert(hdr != NULL, return NULL);
-	snd_assert(size > 0, return NULL);
+	if (snd_BUG_ON(!hdr || size <= 0))
+		return NULL;
 
 	/* word alignment */
 	units = size;
···
  */
 int snd_util_mem_free(struct snd_util_memhdr *hdr, struct snd_util_memblk *blk)
 {
-	snd_assert(hdr && blk, return -EINVAL);
+	if (snd_BUG_ON(!hdr || !blk))
+		return -EINVAL;
 
 	mutex_lock(&hdr->block_mutex);
 	__snd_util_mem_free(hdr, blk);

sound/usb/usbaudio.c

···
 		return -EBADFD;
 
 	for (i = 0; i < subs->nurbs; i++) {
-		snd_assert(subs->dataurb[i].urb, return -EINVAL);
+		if (snd_BUG_ON(!subs->dataurb[i].urb))
+			return -EINVAL;
 		if (subs->ops.prepare(subs, runtime, subs->dataurb[i].urb) < 0) {
 			snd_printk(KERN_ERR "cannot prepare datapipe for urb %d\n", i);
 			goto __error;
···
 	}
 	if (subs->syncpipe) {
 		for (i = 0; i < SYNC_URBS; i++) {
-			snd_assert(subs->syncurb[i].urb, return -EINVAL);
+			if (snd_BUG_ON(!subs->syncurb[i].urb))
+				return -EINVAL;
 			if (subs->ops.prepare_sync(subs, runtime, subs->syncurb[i].urb) < 0) {
 				snd_printk(KERN_ERR "cannot prepare syncpipe for urb %d\n", i);
 				goto __error;
···
 	int err;
 
 	iface = usb_ifnum_to_if(dev, fmt->iface);
-	snd_assert(iface, return -EINVAL);
+	if (WARN_ON(!iface))
+		return -EINVAL;
 	alts = &iface->altsetting[fmt->altset_idx];
 	altsd = get_iface_desc(alts);
-	snd_assert(altsd->bAlternateSetting == fmt->altsetting, return -EINVAL);
+	if (WARN_ON(altsd->bAlternateSetting != fmt->altsetting))
+		return -EINVAL;
 
 	if (fmt == subs->cur_audiofmt)
 		return 0;

sound/usb/usbmixer.c

···
 	struct usb_mixer_elem_info *cval = kcontrol->private_data;
 	char **itemlist = (char **)kcontrol->private_value;
 
-	snd_assert(itemlist, return -EINVAL);
+	if (snd_BUG_ON(!itemlist))
+		return -EINVAL;
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 	uinfo->count = 1;
 	uinfo->value.enumerated.items = cval->max;