PCI CMIPCI 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/cmipci.c | 83 ++++++++++++++++++++++++++++++---------------- 1 file changed, 55 insertions(+), 28 deletions(-)
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 598446348da6..f44f118aacad 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -1225,9 +1225,11 @@ static int setup_spdif_playback(struct cmipci *cm, struct snd_pcm_substream *sub
rate = subs->runtime->rate;
- if (up && do_ac3) - if ((err = save_mixer_state(cm)) < 0) + if (up && do_ac3) { + err = save_mixer_state(cm); + if (err < 0) return err; + }
spin_lock_irq(&cm->reg_lock); cm->spdif_playback_avail = up; @@ -1276,7 +1278,8 @@ static int snd_cmipci_playback_prepare(struct snd_pcm_substream *substream) substream->runtime->channels == 2); if (do_spdif && cm->can_ac3_hw) do_ac3 = cm->dig_pcm_status & IEC958_AES0_NONAUDIO; - if ((err = setup_spdif_playback(cm, substream, do_spdif, do_ac3)) < 0) + err = setup_spdif_playback(cm, substream, do_spdif, do_ac3); + if (err < 0) return err; return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_PLAY], substream); } @@ -1291,7 +1294,8 @@ static int snd_cmipci_playback_spdif_prepare(struct snd_pcm_substream *substream do_ac3 = cm->dig_pcm_status & IEC958_AES0_NONAUDIO; else do_ac3 = 1; /* doesn't matter */ - if ((err = setup_spdif_playback(cm, substream, 1, do_ac3)) < 0) + err = setup_spdif_playback(cm, substream, 1, do_ac3); + if (err < 0) return err; return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_PLAY], substream); } @@ -1639,7 +1643,8 @@ static int snd_cmipci_playback_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int err;
- if ((err = open_device_check(cm, CM_OPEN_PLAYBACK, substream)) < 0) + err = open_device_check(cm, CM_OPEN_PLAYBACK, substream); + if (err < 0) return err; runtime->hw = snd_cmipci_playback; if (cm->chip_version == 68) { @@ -1665,7 +1670,8 @@ static int snd_cmipci_capture_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int err;
- if ((err = open_device_check(cm, CM_OPEN_CAPTURE, substream)) < 0) + err = open_device_check(cm, CM_OPEN_CAPTURE, substream); + if (err < 0) return err; runtime->hw = snd_cmipci_capture; if (cm->chip_version == 68) { // 8768 only supports 44k/48k recording @@ -1689,7 +1695,9 @@ static int snd_cmipci_playback2_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int err;
- if ((err = open_device_check(cm, CM_OPEN_PLAYBACK2, substream)) < 0) /* use channel B */ + /* use channel B */ + err = open_device_check(cm, CM_OPEN_PLAYBACK2, substream); + if (err < 0) return err; runtime->hw = snd_cmipci_playback2; mutex_lock(&cm->open_mutex); @@ -1727,7 +1735,9 @@ static int snd_cmipci_playback_spdif_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int err;
- if ((err = open_device_check(cm, CM_OPEN_SPDIF_PLAYBACK, substream)) < 0) /* use channel A */ + /* use channel A */ + err = open_device_check(cm, CM_OPEN_SPDIF_PLAYBACK, substream); + if (err < 0) return err; if (cm->can_ac3_hw) { runtime->hw = snd_cmipci_playback_spdif; @@ -1754,7 +1764,9 @@ static int snd_cmipci_capture_spdif_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int err;
- if ((err = open_device_check(cm, CM_OPEN_SPDIF_CAPTURE, substream)) < 0) /* use channel B */ + /* use channel B */ + err = open_device_check(cm, CM_OPEN_SPDIF_CAPTURE, substream); + if (err < 0) return err; runtime->hw = snd_cmipci_capture_spdif; if (cm->can_96k && !(cm->chip_version == 68)) { @@ -2650,7 +2662,8 @@ static int snd_cmipci_mixer_new(struct cmipci *cm, int pcm_spdif_device) "PCM Playback Volume")) continue; } - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cmipci_mixers[idx], cm))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_cmipci_mixers[idx], cm)); + if (err < 0) return err; }
@@ -2675,13 +2688,19 @@ static int snd_cmipci_mixer_new(struct cmipci *cm, int pcm_spdif_device) return err; } if (cm->can_ac3_hw) { - if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_cmipci_spdif_default, cm))) < 0) + kctl = snd_ctl_new1(&snd_cmipci_spdif_default, cm); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; kctl->id.device = pcm_spdif_device; - if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_cmipci_spdif_mask, cm))) < 0) + kctl = snd_ctl_new1(&snd_cmipci_spdif_mask, cm); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; kctl->id.device = pcm_spdif_device; - if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_cmipci_spdif_stream, cm))) < 0) + kctl = snd_ctl_new1(&snd_cmipci_spdif_stream, cm); + err = snd_ctl_add(card, kctl); + if (err < 0) return err; kctl->id.device = pcm_spdif_device; } @@ -2955,7 +2974,8 @@ static int snd_cmipci_create_fm(struct cmipci *cm, long fm_port) goto disable_fm; } } - if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { + err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); + if (err < 0) { dev_err(cm->card->dev, "cannot create OPL3 hwdep\n"); return err; } @@ -2987,7 +3007,8 @@ static int snd_cmipci_create(struct snd_card *card, struct pci_dev *pci,
*rcmipci = NULL;
- if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err;
cm = kzalloc(sizeof(*cm), GFP_KERNEL); @@ -3006,7 +3027,8 @@ static int snd_cmipci_create(struct snd_card *card, struct pci_dev *pci, cm->channel[1].ch = 1; cm->channel[0].is_dac = cm->channel[1].is_dac = 1; /* dual DAC mode */
- if ((err = pci_request_regions(pci, card->driver)) < 0) { + err = pci_request_regions(pci, card->driver); + if (err < 0) { kfree(cm); pci_disable_device(pci); return err; @@ -3120,7 +3142,8 @@ static int snd_cmipci_create(struct snd_card *card, struct pci_dev *pci, sprintf(card->longname, "%s%s at %#lx, irq %i", card->shortname, modelstr, cm->iobase, cm->irq);
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, cm, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, cm, &ops); + if (err < 0) { snd_cmipci_free(cm); return err; } @@ -3172,32 +3195,36 @@ static int snd_cmipci_create(struct snd_card *card, struct pci_dev *pci,
/* create pcm devices */ pcm_index = pcm_spdif_index = 0; - if ((err = snd_cmipci_pcm_new(cm, pcm_index)) < 0) + err = snd_cmipci_pcm_new(cm, pcm_index); + if (err < 0) return err; pcm_index++; - if ((err = snd_cmipci_pcm2_new(cm, pcm_index)) < 0) + err = snd_cmipci_pcm2_new(cm, pcm_index); + if (err < 0) return err; pcm_index++; if (cm->can_ac3_hw || cm->can_ac3_sw) { pcm_spdif_index = pcm_index; - if ((err = snd_cmipci_pcm_spdif_new(cm, pcm_index)) < 0) + err = snd_cmipci_pcm_spdif_new(cm, pcm_index); + if (err < 0) return err; }
/* create mixer interface & switches */ - if ((err = snd_cmipci_mixer_new(cm, pcm_spdif_index)) < 0) + err = snd_cmipci_mixer_new(cm, pcm_spdif_index); + if (err < 0) return err;
if (iomidi > 0) { - if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI, - iomidi, - (integrated_midi ? - MPU401_INFO_INTEGRATED : 0) | - MPU401_INFO_IRQ_HOOK, - -1, &cm->rmidi)) < 0) { + err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI, + iomidi, + (integrated_midi ? + MPU401_INFO_INTEGRATED : 0) | + MPU401_INFO_IRQ_HOOK, + -1, &cm->rmidi); + if (err < 0) dev_err(cm->card->dev, "no UART401 device at 0x%lx\n", iomidi); - } }
#ifdef USE_VAR48KRATE