PCI CS46xx driver code contains a few assignments in if condition,
which is a bad coding style that may confuse readers and occasionally
lead to bugs.
This patch is merely for coding-style fixes, no functional changes.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/pci/cs46xx/cs46xx.c | 31 +++++++++++++--------
sound/pci/cs46xx/cs46xx_lib.c | 51 ++++++++++++++++++++++-------------
sound/pci/cs46xx/dsp_spos.c | 3 ++-
3 files changed, 55 insertions(+), 30 deletions(-)
diff --git a/sound/pci/cs46xx/cs46xx.c b/sound/pci/cs46xx/cs46xx.c
index 1db7b4112840..358ca84cbdea 100644
--- a/sound/pci/cs46xx/cs46xx.c
+++ b/sound/pci/cs46xx/cs46xx.c
@@ -70,45 +70,53 @@ static int snd_card_cs46xx_probe(struct pci_dev *pci,
0, &card);
if (err < 0)
return err;
- if ((err = snd_cs46xx_create(card, pci,
- external_amp[dev], thinkpad[dev],
- &chip)) < 0) {
+ err = snd_cs46xx_create(card, pci,
+ external_amp[dev], thinkpad[dev],
+ &chip);
+ if (err < 0) {
snd_card_free(card);
return err;
}
card->private_data = chip;
chip->accept_valid = mmap_valid[dev];
- if ((err = snd_cs46xx_pcm(chip, 0)) < 0) {
+ err = snd_cs46xx_pcm(chip, 0);
+ if (err < 0) {
snd_card_free(card);
return err;
}
#ifdef CONFIG_SND_CS46XX_NEW_DSP
- if ((err = snd_cs46xx_pcm_rear(chip, 1)) < 0) {
+ err = snd_cs46xx_pcm_rear(chip, 1);
+ if (err < 0) {
snd_card_free(card);
return err;
}
- if ((err = snd_cs46xx_pcm_iec958(chip, 2)) < 0) {
+ err = snd_cs46xx_pcm_iec958(chip, 2);
+ if (err < 0) {
snd_card_free(card);
return err;
}
#endif
- if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
+ err = snd_cs46xx_mixer(chip, 2);
+ if (err < 0) {
snd_card_free(card);
return err;
}
#ifdef CONFIG_SND_CS46XX_NEW_DSP
if (chip->nr_ac97_codecs ==2) {
- if ((err = snd_cs46xx_pcm_center_lfe(chip, 3)) < 0) {
+ err = snd_cs46xx_pcm_center_lfe(chip, 3);
+ if (err < 0) {
snd_card_free(card);
return err;
}
}
#endif
- if ((err = snd_cs46xx_midi(chip, 0)) < 0) {
+ err = snd_cs46xx_midi(chip, 0);
+ if (err < 0) {
snd_card_free(card);
return err;
}
- if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
+ err = snd_cs46xx_start_dsp(chip);
+ if (err < 0) {
snd_card_free(card);
return err;
}
@@ -124,7 +132,8 @@ static int snd_card_cs46xx_probe(struct pci_dev *pci,
chip->ba1_addr,
chip->irq);
- if ((err = snd_card_register(card)) < 0) {
+ err = snd_card_register(card);
+ if (err < 0) {
snd_card_free(card);
return err;
}
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 37f516e6a5c2..1e1eb17f8e07 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -1058,9 +1058,10 @@ static int _cs46xx_adjust_sample_rate (struct snd_cs46xx *chip, struct snd_cs46x
int unlinked = cpcm->pcm_channel->unlinked;
cs46xx_dsp_destroy_pcm_channel (chip,cpcm->pcm_channel);
- if ( (cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel (chip, sample_rate, cpcm,
- cpcm->hw_buf.addr,
- cpcm->pcm_channel_id)) == NULL) {
+ cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel(chip, sample_rate, cpcm,
+ cpcm->hw_buf.addr,
+ cpcm->pcm_channel_id);
+ if (!cpcm->pcm_channel) {
dev_err(chip->card->dev,
"failed to re-create virtual PCM channel\n");
return -ENOMEM;
@@ -1147,7 +1148,8 @@ static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream,
runtime->dma_addr = 0;
runtime->dma_bytes = 0;
}
- if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) {
+ err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+ if (err < 0) {
#ifdef CONFIG_SND_CS46XX_NEW_DSP
mutex_unlock(&chip->spos_mutex);
#endif
@@ -1295,7 +1297,8 @@ static int snd_cs46xx_capture_hw_params(struct snd_pcm_substream *substream,
runtime->dma_addr = 0;
runtime->dma_bytes = 0;
}
- if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
+ err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+ if (err < 0)
return err;
substream->ops = &snd_cs46xx_capture_indirect_ops;
}
@@ -1760,7 +1763,8 @@ int snd_cs46xx_pcm(struct snd_cs46xx *chip, int device)
struct snd_pcm *pcm;
int err;
- if ((err = snd_pcm_new(chip->card, "CS46xx", device, MAX_PLAYBACK_CHANNELS, 1, &pcm)) < 0)
+ err = snd_pcm_new(chip->card, "CS46xx", device, MAX_PLAYBACK_CHANNELS, 1, &pcm);
+ if (err < 0)
return err;
pcm->private_data = chip;
@@ -1787,7 +1791,8 @@ int snd_cs46xx_pcm_rear(struct snd_cs46xx *chip, int device)
struct snd_pcm *pcm;
int err;
- if ((err = snd_pcm_new(chip->card, "CS46xx - Rear", device, MAX_PLAYBACK_CHANNELS, 0, &pcm)) < 0)
+ err = snd_pcm_new(chip->card, "CS46xx - Rear", device, MAX_PLAYBACK_CHANNELS, 0, &pcm);
+ if (err < 0)
return err;
pcm->private_data = chip;
@@ -1811,7 +1816,8 @@ int snd_cs46xx_pcm_center_lfe(struct snd_cs46xx *chip, int device)
struct snd_pcm *pcm;
int err;
- if ((err = snd_pcm_new(chip->card, "CS46xx - Center LFE", device, MAX_PLAYBACK_CHANNELS, 0, &pcm)) < 0)
+ err = snd_pcm_new(chip->card, "CS46xx - Center LFE", device, MAX_PLAYBACK_CHANNELS, 0, &pcm);
+ if (err < 0)
return err;
pcm->private_data = chip;
@@ -1835,7 +1841,8 @@ int snd_cs46xx_pcm_iec958(struct snd_cs46xx *chip, int device)
struct snd_pcm *pcm;
int err;
- if ((err = snd_pcm_new(chip->card, "CS46xx - IEC958", device, 1, 0, &pcm)) < 0)
+ err = snd_pcm_new(chip->card, "CS46xx - IEC958", device, 1, 0, &pcm);
+ if (err < 0)
return err;
pcm->private_data = chip;
@@ -2414,7 +2421,8 @@ static void snd_cs46xx_codec_reset (struct snd_ac97 * ac97)
/* test if we can write to the record gain volume register */
snd_ac97_write(ac97, AC97_REC_GAIN, 0x8a05);
- if ((err = snd_ac97_read(ac97, AC97_REC_GAIN)) == 0x8a05)
+ err = snd_ac97_read(ac97, AC97_REC_GAIN);
+ if (err == 0x8a05)
return;
msleep(10);
@@ -2476,7 +2484,8 @@ int snd_cs46xx_mixer(struct snd_cs46xx *chip, int spdif_device)
/* detect primary codec */
chip->nr_ac97_codecs = 0;
dev_dbg(chip->card->dev, "detecting primary codec\n");
- if ((err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus)) < 0)
+ err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus);
+ if (err < 0)
return err;
chip->ac97_bus->private_free = snd_cs46xx_mixer_free_ac97_bus;
@@ -2497,7 +2506,8 @@ int snd_cs46xx_mixer(struct snd_cs46xx *chip, int spdif_device)
kctl = snd_ctl_new1(&snd_cs46xx_controls[idx], chip);
if (kctl && kctl->id.iface == SNDRV_CTL_ELEM_IFACE_PCM)
kctl->id.device = spdif_device;
- if ((err = snd_ctl_add(card, kctl)) < 0)
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
return err;
}
@@ -2684,7 +2694,8 @@ int snd_cs46xx_midi(struct snd_cs46xx *chip, int device)
struct snd_rawmidi *rmidi;
int err;
- if ((err = snd_rawmidi_new(chip->card, "CS46XX", device, 1, 1, &rmidi)) < 0)
+ err = snd_rawmidi_new(chip->card, "CS46XX", device, 1, 1, &rmidi);
+ if (err < 0)
return err;
strcpy(rmidi->name, "CS46XX");
snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_cs46xx_midi_output);
@@ -3526,7 +3537,8 @@ static void hercules_mixer_init (struct snd_cs46xx *chip)
struct snd_kcontrol *kctl;
kctl = snd_ctl_new1(&snd_hercules_controls[idx], chip);
- if ((err = snd_ctl_add(card, kctl)) < 0) {
+ err = snd_ctl_add(card, kctl);
+ if (err < 0) {
dev_err(card->dev,
"failed to initialize Hercules mixer (%d)\n",
err);
@@ -3871,7 +3883,8 @@ int snd_cs46xx_create(struct snd_card *card,
*rchip = NULL;
/* enable PCI device */
- if ((err = pci_enable_device(pci)) < 0)
+ err = pci_enable_device(pci);
+ if (err < 0)
return err;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
@@ -3965,8 +3978,9 @@ int snd_cs46xx_create(struct snd_card *card,
for (idx = 0; idx < 5; idx++) {
region = &chip->region.idx[idx];
- if ((region->resource = request_mem_region(region->base, region->size,
- region->name)) == NULL) {
+ region->resource = request_mem_region(region->base, region->size,
+ region->name);
+ if (!region->resource) {
dev_err(chip->card->dev,
"unable to request memory region 0x%lx-0x%lx\n",
region->base, region->base + region->size - 1);
@@ -4005,7 +4019,8 @@ int snd_cs46xx_create(struct snd_card *card,
return err;
}
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+ if (err < 0) {
snd_cs46xx_free(chip);
return err;
}
diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c
index 05f3f6dc918d..1db6bc58d6a6 100644
--- a/sound/pci/cs46xx/dsp_spos.c
+++ b/sound/pci/cs46xx/dsp_spos.c
@@ -617,7 +617,8 @@ static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
col = 0;
}
- if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
+ symbol = cs46xx_dsp_lookup_symbol_addr(chip, i / sizeof(u32), SYMBOL_PARAMETER);
+ if (symbol) {
col = 0;
snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
}
--
2.26.2
