PCI CS4281 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/cs4281.c | 54 ++++++++++++++++++++++++++++++---------------- 1 file changed, 36 insertions(+), 18 deletions(-)
diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index bf3bb70ffaf9..e122a168c148 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -1068,23 +1068,28 @@ static int snd_cs4281_mixer(struct cs4281 *chip) .read = snd_cs4281_ac97_read, };
- 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_cs4281_mixer_free_ac97_bus;
memset(&ac97, 0, sizeof(ac97)); ac97.private_data = chip; ac97.private_free = snd_cs4281_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->dual_codec) { ac97.num = 1; - if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_secondary)) < 0) + err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_secondary); + if (err < 0) return err; } - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_fm_vol, chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_fm_vol, chip)); + if (err < 0) return err; - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_pcm_vol, chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_pcm_vol, chip)); + if (err < 0) return err; return 0; } @@ -1308,7 +1313,8 @@ static int snd_cs4281_create(struct snd_card *card, };
*rchip = NULL; - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err; chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (chip == NULL) { @@ -1326,7 +1332,8 @@ static int snd_cs4281_create(struct snd_card *card, } chip->dual_codec = dual_codec;
- if ((err = pci_request_regions(pci, "CS4281")) < 0) { + err = pci_request_regions(pci, "CS4281"); + if (err < 0) { kfree(chip); pci_disable_device(pci); return err; @@ -1356,7 +1363,8 @@ static int snd_cs4281_create(struct snd_card *card, return tmp; }
- 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_cs4281_free(chip); return err; } @@ -1395,12 +1403,14 @@ static int snd_cs4281_chip_init(struct cs4281 *chip) * space between 0e4h and 0ffh to be written. */ snd_cs4281_pokeBA0(chip, BA0_CWPR, 0x4281); - if ((tmp = snd_cs4281_peekBA0(chip, BA0_SERC1)) != (BA0_SERC1_SO1EN | BA0_SERC1_AC97)) { + tmp = snd_cs4281_peekBA0(chip, BA0_SERC1); + if (tmp != (BA0_SERC1_SO1EN | BA0_SERC1_AC97)) { dev_err(chip->card->dev, "SERC1 AC'97 check failed (0x%x)\n", tmp); return -EIO; } - if ((tmp = snd_cs4281_peekBA0(chip, BA0_SERC2)) != (BA0_SERC2_SI1EN | BA0_SERC2_AC97)) { + tmp = snd_cs4281_peekBA0(chip, BA0_SERC2); + if (tmp != (BA0_SERC2_SI1EN | BA0_SERC2_AC97)) { dev_err(chip->card->dev, "SERC2 AC'97 check failed (0x%x)\n", tmp); return -EIO; @@ -1748,7 +1758,8 @@ static int snd_cs4281_midi(struct cs4281 *chip, int device) struct snd_rawmidi *rmidi; int err;
- if ((err = snd_rawmidi_new(chip->card, "CS4281", device, 1, 1, &rmidi)) < 0) + err = snd_rawmidi_new(chip->card, "CS4281", device, 1, 1, &rmidi); + if (err < 0) return err; strcpy(rmidi->name, "CS4281"); snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_cs4281_midi_output); @@ -1881,32 +1892,38 @@ static int snd_cs4281_probe(struct pci_dev *pci, if (err < 0) return err;
- if ((err = snd_cs4281_create(card, pci, &chip, dual_codec[dev])) < 0) { + err = snd_cs4281_create(card, pci, &chip, dual_codec[dev]); + if (err < 0) { snd_card_free(card); return err; } card->private_data = chip;
- if ((err = snd_cs4281_mixer(chip)) < 0) { + err = snd_cs4281_mixer(chip); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_cs4281_pcm(chip, 0)) < 0) { + err = snd_cs4281_pcm(chip, 0); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_cs4281_midi(chip, 0)) < 0) { + err = snd_cs4281_midi(chip, 0); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_opl3_new(card, OPL3_HW_OPL3_CS4281, &opl3)) < 0) { + err = snd_opl3_new(card, OPL3_HW_OPL3_CS4281, &opl3); + if (err < 0) { snd_card_free(card); return err; } opl3->private_data = chip; opl3->command = snd_cs4281_opl3_command; snd_opl3_init(opl3); - 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; } @@ -1918,7 +1935,8 @@ static int snd_cs4281_probe(struct pci_dev *pci, chip->ba0_addr, chip->irq);
- if ((err = snd_card_register(card)) < 0) { + err = snd_card_register(card); + if (err < 0) { snd_card_free(card); return err; }