PCI FM801 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@suse.de --- sound/pci/fm801.c | 63 ++++++++++++++++++++++++++++++----------------- 1 file changed, 40 insertions(+), 23 deletions(-)
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index 6279eb156e36..ed9dae87145b 100644 --- a/sound/pci/fm801.c +++ b/sound/pci/fm801.c @@ -659,7 +659,8 @@ static int snd_fm801_playback_open(struct snd_pcm_substream *substream) SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels); } - if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) + err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) return err; return 0; } @@ -674,7 +675,8 @@ static int snd_fm801_capture_open(struct snd_pcm_substream *substream) runtime->hw = snd_fm801_capture; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); - if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) + err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) return err; return 0; } @@ -717,7 +719,8 @@ static int snd_fm801_pcm(struct fm801 *chip, int device) struct snd_pcm *pcm; int err;
- if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0) + err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm); + if (err < 0) return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops); @@ -985,7 +988,8 @@ static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol, struct fm801 *chip = snd_kcontrol_chip(kcontrol); unsigned short val;
- if ((val = ucontrol->value.enumerated.item[0]) > 4) + val = ucontrol->value.enumerated.item[0]; + if (val > 4) return -EINVAL; return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val); } @@ -1050,19 +1054,22 @@ static int snd_fm801_mixer(struct fm801 *chip) .read = snd_fm801_codec_read, };
- if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) + err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); + if (err < 0) return err; chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
memset(&ac97, 0, sizeof(ac97)); ac97.private_data = chip; ac97.private_free = snd_fm801_mixer_free_ac97; - if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) + err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); + if (err < 0) return err; if (chip->secondary) { ac97.num = 1; ac97.addr = chip->secondary_addr; - if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0) + err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec); + if (err < 0) return err; } for (i = 0; i < FM801_CONTROLS; i++) { @@ -1213,7 +1220,8 @@ static int snd_fm801_create(struct snd_card *card, };
*rchip = NULL; - if ((err = pcim_enable_device(pci)) < 0) + err = pcim_enable_device(pci); + if (err < 0) return err; chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL); if (chip == NULL) @@ -1223,7 +1231,8 @@ static int snd_fm801_create(struct snd_card *card, chip->dev = &pci->dev; chip->irq = -1; chip->tea575x_tuner = tea575x_tuner; - if ((err = pci_request_regions(pci, "FM801")) < 0) + err = pci_request_regions(pci, "FM801"); + if (err < 0) return err; chip->port = pci_resource_start(pci, 0);
@@ -1254,7 +1263,8 @@ static int snd_fm801_create(struct snd_card *card,
snd_fm801_chip_init(chip);
- 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_fm801_free(chip); return err; } @@ -1327,7 +1337,8 @@ static int snd_card_fm801_probe(struct pci_dev *pci, 0, &card); if (err < 0) return err; - if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) { + err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip); + if (err < 0) { snd_card_free(card); return err; } @@ -1342,35 +1353,41 @@ static int snd_card_fm801_probe(struct pci_dev *pci, if (chip->tea575x_tuner & TUNER_ONLY) goto __fm801_tuner_only;
- if ((err = snd_fm801_pcm(chip, 0)) < 0) { + err = snd_fm801_pcm(chip, 0); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_fm801_mixer(chip)) < 0) { + err = snd_fm801_mixer(chip); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, - chip->port + FM801_MPU401_DATA, - MPU401_INFO_INTEGRATED | - MPU401_INFO_IRQ_HOOK, - -1, &chip->rmidi)) < 0) { + err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801, + chip->port + FM801_MPU401_DATA, + MPU401_INFO_INTEGRATED | + MPU401_INFO_IRQ_HOOK, + -1, &chip->rmidi); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0, - chip->port + FM801_OPL3_BANK1, - OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) { + err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0, + chip->port + FM801_OPL3_BANK1, + OPL3_HW_OPL3_FM801, 1, &opl3); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { + err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); + if (err < 0) { snd_card_free(card); return err; }
__fm801_tuner_only: - if ((err = snd_card_register(card)) < 0) { + err = snd_card_register(card); + if (err < 0) { snd_card_free(card); return err; }