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ALSA: Kill snd_assert() in other places

Browse Source 
Kill snd_assert() in other places, 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>
This commit is contained in:
Takashi Iwai 2008-08-08 17:12:47 +02:00 committed by Jaroslav Kysela
parent da3cec35dd
commit 5e246b850d
38 changed files with 217 additions and 168 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/media/video/saa7134/saa7134-alsa.c
View File

@ -488,10 +488,12 @@ static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream,
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;
@ -942,7 +944,8 @@ static int snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip)
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++) {

9
include/sound/vx_core.h
View File

@ -235,37 +235,31 @@ irqreturn_t snd_vx_irq_handler(int irq, void *dev);
*/
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);
}
@ -276,7 +270,6 @@ static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
static inline void vx_reset_dsp(struct vx_core *chip)
{
snd_assert(chip->ops->reset_dsp, return);
chip->ops->reset_dsp(chip);
}
@ -304,14 +297,12 @@ int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int t
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);
}

5
sound/arm/sa11xx-uda1341.c
View File

@ -442,7 +442,8 @@ static void audio_process_dma(struct audio_stream *s)
/* 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);
@ -472,7 +473,7 @@ static void audio_process_dma(struct audio_stream *s)
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);

3
sound/drivers/dummy.c
View File

@ -565,7 +565,8 @@ static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy)
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");

6
sound/drivers/opl3/opl3_lib.c
View File

@ -139,7 +139,8 @@ static int snd_opl3_detect(struct snd_opl3 * opl3)
* 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;
@ -324,7 +325,8 @@ EXPORT_SYMBOL(snd_opl3_interrupt);
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);

6
sound/drivers/opl3/opl3_midi.c
View File

@ -617,7 +617,8 @@ static void snd_opl3_kill_voice(struct snd_opl3 *opl3, int voice)
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) {
@ -737,7 +738,8 @@ static void snd_opl3_update_pitch(struct snd_opl3 *opl3, int voice)
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)

15
sound/drivers/opl3/opl3_oss.c
View File

@ -162,7 +162,8 @@ static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure)
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;
@ -184,7 +185,8 @@ static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg)
{
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);
@ -206,7 +208,8 @@ static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
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)
@ -246,7 +249,8 @@ static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd,
{
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:
@ -271,7 +275,8 @@ static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg)
{
struct snd_opl3 *opl3;
snd_assert(arg != NULL, return -ENXIO);
if (snd_BUG_ON(!arg))
return -ENXIO;
opl3 = arg->private_data;
return 0;

3
sound/drivers/opl3/opl3_synth.c
View File

@ -92,7 +92,8 @@ int snd_opl3_ioctl(struct snd_hwdep * hw, struct file *file,
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 */

2
sound/drivers/opl4/opl4_synth.c
View File

@ -467,7 +467,7 @@ static struct opl4_voice *snd_opl4_get_voice(struct snd_opl4 *opl4)
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);
}

3
sound/drivers/vx/vx_cmd.c
View File

@ -99,7 +99,8 @@ static struct vx_cmd_info vx_dsp_cmds[] = {
*/
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;

21
sound/drivers/vx/vx_core.c
View File

@ -205,7 +205,8 @@ static int vx_read_status(struct vx_core *chip, struct vx_rmh *rmh)
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 */
@ -425,13 +426,16 @@ int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *boot)
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
@ -554,7 +558,8 @@ EXPORT_SYMBOL(snd_vx_irq_handler);
*/
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;
@ -673,7 +678,8 @@ int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp)
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);
@ -775,7 +781,8 @@ struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
{
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) {

6
sound/drivers/vx/vx_hwdep.c
View File

@ -141,7 +141,8 @@ static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
};
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;
@ -168,7 +169,8 @@ static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
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) {

3
sound/drivers/vx/vx_mixer.c
View File

@ -34,7 +34,8 @@ static void vx_write_codec_reg(struct vx_core *chip, int codec, unsigned int dat
{
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;

9
sound/drivers/vx/vx_pcm.c
View File

@ -587,7 +587,8 @@ static int vx_pcm_playback_open(struct snd_pcm_substream *subs)
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];
@ -996,7 +997,8 @@ static int vx_pcm_capture_open(struct snd_pcm_substream *subs)
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;
@ -1214,7 +1216,8 @@ void vx_pcm_update_intr(struct vx_core *chip, unsigned int events)
}
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);

6
sound/drivers/vx/vx_uer.c
View File

@ -163,13 +163,15 @@ static int vx_calc_clock_from_freq(struct vx_core *chip, int freq)
{
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;

15
sound/i2c/cs8427.c
View File

@ -314,7 +314,8 @@ static void snd_cs8427_reset(struct snd_i2c_device *cs8427)
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) ==
@ -526,7 +527,8 @@ int snd_cs8427_iec958_build(struct snd_i2c_device *cs8427,
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)
@ -543,7 +545,8 @@ int snd_cs8427_iec958_build(struct snd_i2c_device *cs8427,
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;
}
@ -553,7 +556,8 @@ int snd_cs8427_iec958_active(struct snd_i2c_device *cs8427, int active)
{
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,
@ -573,7 +577,8 @@ int snd_cs8427_iec958_pcm(struct snd_i2c_device *cs8427, unsigned int rate)
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);

6
sound/i2c/i2c.c
View File

@ -49,7 +49,8 @@ static int snd_i2c_bus_free(struct snd_i2c_bus *bus)
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);
@ -113,7 +114,8 @@ int snd_i2c_device_create(struct snd_i2c_bus *bus, const char *name,
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;

3
sound/i2c/l3/uda1341.c
View File

@ -771,7 +771,8 @@ int __init snd_chip_uda1341_mixer_new(struct snd_card *card, struct l3_client **
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)

3
sound/i2c/other/ak4114.c
View File

@ -475,7 +475,8 @@ int snd_ak4114_build(struct ak4114 *ak4114,
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++) {

3
sound/i2c/other/ak4117.c
View File

@ -431,7 +431,8 @@ int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *cap_substr
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);

6
sound/mips/au1x00.c
View File

@ -190,14 +190,16 @@ au1000_setup_dma_link(struct audio_stream *stream, unsigned int period_bytes,
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) {

3
sound/parisc/harmony.c
View File

@ -868,7 +868,8 @@ snd_harmony_mixer_init(struct snd_harmony *h)
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++) {

3
sound/pcmcia/vx/vxp_ops.c
View File

@ -408,7 +408,8 @@ static void vxp_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
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;

23
sound/ppc/awacs.c
View File

@ -319,7 +319,8 @@ static void awacs_amp_set_master(struct awacs_amp *amp, int vol)
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;
@ -345,8 +346,7 @@ static int snd_pmac_awacs_get_volume_amp(struct snd_kcontrol *kcontrol,
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;
@ -359,8 +359,6 @@ static int snd_pmac_awacs_put_volume_amp(struct snd_kcontrol *kcontrol,
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);
@ -375,8 +373,7 @@ static int snd_pmac_awacs_get_switch_amp(struct snd_kcontrol *kcontrol,
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)
@ -391,8 +388,6 @@ static int snd_pmac_awacs_put_switch_amp(struct snd_kcontrol *kcontrol,
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);
@ -417,8 +412,7 @@ static int snd_pmac_awacs_get_tone_amp(struct snd_kcontrol *kcontrol,
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;
}
@ -430,8 +424,7 @@ static int snd_pmac_awacs_put_tone_amp(struct snd_kcontrol *kcontrol,
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;
@ -458,7 +451,7 @@ static int snd_pmac_awacs_get_master_amp(struct snd_kcontrol *kcontrol,
{
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;
}
@ -469,7 +462,7 @@ static int snd_pmac_awacs_put_master_amp(struct snd_kcontrol *kcontrol,
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;

6
sound/ppc/beep.c
View File

@ -185,7 +185,8 @@ static int snd_pmac_get_beep(struct snd_kcontrol *kcontrol,
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;
}
@ -195,7 +196,8 @@ static int snd_pmac_put_beep(struct snd_kcontrol *kcontrol,
{
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)

17
sound/ppc/tumbler.c
View File

@ -263,7 +263,7 @@ static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
{
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;
@ -277,7 +277,6 @@ static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
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) ||
@ -299,7 +298,7 @@ static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
{
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;
@ -312,7 +311,6 @@ static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
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) {
@ -807,7 +805,6 @@ static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
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;
}
@ -819,7 +816,6 @@ static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
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];
@ -978,7 +974,8 @@ static void device_change_handler(struct work_struct *work)
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);
@ -1033,7 +1030,8 @@ static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
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);
}
@ -1227,8 +1225,6 @@ static void tumbler_resume(struct snd_pmac *chip)
{
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];
@ -1275,7 +1271,6 @@ static int __init tumbler_init(struct snd_pmac *chip)
{
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",

3
sound/sh/aica.c
View File

@ -106,7 +106,8 @@ static void spu_memset(u32 toi, u32 what, int length)
{
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();

19
sound/sparc/amd7930.c
View File

@ -765,7 +765,6 @@ static int __devinit snd_amd7930_pcm(struct snd_amd7930 *amd)
/* 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);
@ -788,13 +787,6 @@ static int __devinit snd_amd7930_pcm(struct snd_amd7930 *amd)
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;
@ -809,10 +801,6 @@ static int snd_amd7930_get_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem
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:
swval = &amd->mgain;
@ -838,10 +826,6 @@ static int snd_amd7930_put_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem
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:
swval = &amd->mgain;
@ -904,7 +888,8 @@ static int __devinit snd_amd7930_mixer(struct snd_amd7930 *amd)
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);

3
sound/sparc/cs4231.c
View File

@ -1560,7 +1560,8 @@ static int __init snd_cs4231_mixer(struct snd_card *card)
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);

17
sound/sparc/dbri.c
View File

@ -2223,7 +2223,6 @@ static int __devinit snd_dbri_pcm(struct snd_card *card)
/* 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);
@ -2263,9 +2262,10 @@ static int snd_cs4215_get_volume(struct snd_kcontrol *kcontrol,
{
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;
@ -2331,7 +2331,9 @@ static int snd_cs4215_get_single(struct snd_kcontrol *kcontrol,
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] =
@ -2356,7 +2358,9 @@ static int snd_cs4215_put_single(struct snd_kcontrol *kcontrol,
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)
@ -2432,7 +2436,8 @@ static int __devinit snd_dbri_mixer(struct snd_card *card)
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);

8
sound/synth/emux/emux.c
View File

@ -93,10 +93,10 @@ int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, ch
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);

8
sound/synth/emux/emux_nrpn.c
View File

@ -289,8 +289,8 @@ snd_emux_nrpn(void *p, struct snd_midi_channel *chan,
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) {
@ -379,8 +379,8 @@ snd_emux_sysex(void *p, unsigned char *buf, int len, int parsed,
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) {

42
sound/synth/emux/emux_oss.c
View File

@ -114,7 +114,8 @@ snd_emux_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure)
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);
@ -183,12 +184,15 @@ snd_emux_close_seq_oss(struct snd_seq_oss_arg *arg)
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);
@ -212,12 +216,15 @@ snd_emux_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
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,
@ -252,12 +259,15 @@ snd_emux_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, unsigned l
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:
@ -282,9 +292,11 @@ snd_emux_reset_seq_oss(struct snd_seq_oss_arg *arg)
{
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;
}
@ -302,9 +314,11 @@ snd_emux_event_oss_input(struct snd_seq_event *ev, int direct, void *private_dat
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);

15
sound/synth/emux/emux_seq.c
View File

@ -257,7 +257,8 @@ snd_emux_event_input(struct snd_seq_event *ev, int direct, void *private_data,
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);
@ -308,9 +309,11 @@ snd_emux_use(void *private_data, struct snd_seq_port_subscribe *info)
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);
@ -329,9 +332,11 @@ snd_emux_unuse(void *private_data, struct snd_seq_port_subscribe *info)
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);

47
sound/synth/emux/emux_synth.c
View File

@ -66,12 +66,12 @@ snd_emux_note_on(void *p, int note, int vel, struct snd_midi_channel *chan)
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);
@ -164,11 +164,12 @@ snd_emux_note_off(void *p, int note, int vel, struct snd_midi_channel *chan)
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++) {
@ -242,11 +243,12 @@ snd_emux_key_press(void *p, int note, int vel, struct snd_midi_channel *chan)
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++) {
@ -276,8 +278,8 @@ snd_emux_update_channel(struct snd_emux_port *port, struct snd_midi_channel *cha
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++) {
@ -303,8 +305,8 @@ snd_emux_update_port(struct snd_emux_port *port, int update)
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++) {
@ -326,7 +328,8 @@ snd_emux_control(void *p, int type, struct snd_midi_channel *chan)
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:
@ -400,11 +403,12 @@ snd_emux_terminate_note(void *p, int note, struct snd_midi_channel *chan)
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);
}
@ -451,10 +455,11 @@ snd_emux_sounds_off_all(struct snd_emux_port *port)
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++) {

10
sound/synth/util_mem.c
View File

@ -55,7 +55,8 @@ void snd_util_memhdr_free(struct snd_util_memhdr *hdr)
{
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);
@ -74,8 +75,8 @@ __snd_util_mem_alloc(struct snd_util_memhdr *hdr, int size)
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;
@ -161,7 +162,8 @@ __snd_util_mem_free(struct snd_util_memhdr *hdr, struct snd_util_memblk *blk)
*/
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);

12
sound/usb/usbaudio.c
View File

@ -841,7 +841,8 @@ static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *ru
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;
@ -849,7 +850,8 @@ static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *ru
}
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;
@ -1321,10 +1323,12 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
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;

3
sound/usb/usbmixer.c
View File

@ -1389,7 +1389,8 @@ static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl
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;