PCI Trident driver code contains lots of 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/trident/trident.c | 41 +++++++++-------
sound/pci/trident/trident_main.c | 84 ++++++++++++++++++++++----------
2 files changed, 81 insertions(+), 44 deletions(-)
diff --git a/sound/pci/trident/trident.c b/sound/pci/trident/trident.c
index a51041205f7c..60e4dca28c2b 100644
--- a/sound/pci/trident/trident.c
+++ b/sound/pci/trident/trident.c
@@ -67,11 +67,12 @@ static int snd_trident_probe(struct pci_dev *pci,
if (err < 0)
return err;
- if ((err = snd_trident_create(card, pci,
- pcm_channels[dev],
- ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2,
- wavetable_size[dev],
- &trident)) < 0) {
+ err = snd_trident_create(card, pci,
+ pcm_channels[dev],
+ ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2,
+ wavetable_size[dev],
+ &trident);
+ if (err < 0) {
snd_card_free(card);
return err;
}
@@ -100,38 +101,44 @@ static int snd_trident_probe(struct pci_dev *pci,
sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d",
card->shortname, trident->port, trident->irq);
- if ((err = snd_trident_pcm(trident, pcm_dev++)) < 0) {
+ err = snd_trident_pcm(trident, pcm_dev++);
+ if (err < 0) {
snd_card_free(card);
return err;
}
switch (trident->device) {
case TRIDENT_DEVICE_ID_DX:
case TRIDENT_DEVICE_ID_NX:
- if ((err = snd_trident_foldback_pcm(trident, pcm_dev++)) < 0) {
+ err = snd_trident_foldback_pcm(trident, pcm_dev++);
+ if (err < 0) {
snd_card_free(card);
return err;
}
break;
}
if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
- if ((err = snd_trident_spdif_pcm(trident, pcm_dev++)) < 0) {
+ err = snd_trident_spdif_pcm(trident, pcm_dev++);
+ if (err < 0) {
snd_card_free(card);
return err;
}
}
- if (trident->device != TRIDENT_DEVICE_ID_SI7018 &&
- (err = snd_mpu401_uart_new(card, 0, MPU401_HW_TRID4DWAVE,
- trident->midi_port,
- MPU401_INFO_INTEGRATED |
- MPU401_INFO_IRQ_HOOK,
- -1, &trident->rmidi)) < 0) {
- snd_card_free(card);
- return err;
+ if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
+ err = snd_mpu401_uart_new(card, 0, MPU401_HW_TRID4DWAVE,
+ trident->midi_port,
+ MPU401_INFO_INTEGRATED |
+ MPU401_INFO_IRQ_HOOK,
+ -1, &trident->rmidi);
+ if (err < 0) {
+ snd_card_free(card);
+ return err;
+ }
}
snd_trident_create_gameport(trident);
- 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/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 20145143f6a6..281ea7143b1c 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -2119,7 +2119,8 @@ int snd_trident_pcm(struct snd_trident *trident, int device)
struct snd_pcm *pcm;
int err;
- if ((err = snd_pcm_new(trident->card, "trident_dx_nx", device, trident->ChanPCM, 1, &pcm)) < 0)
+ err = snd_pcm_new(trident->card, "trident_dx_nx", device, trident->ChanPCM, 1, &pcm);
+ if (err < 0)
return err;
pcm->private_data = trident;
@@ -2178,7 +2179,8 @@ int snd_trident_foldback_pcm(struct snd_trident *trident, int device)
if (trident->device == TRIDENT_DEVICE_ID_NX)
num_chan = 4;
- if ((err = snd_pcm_new(trident->card, "trident_dx_nx", device, 0, num_chan, &foldback)) < 0)
+ err = snd_pcm_new(trident->card, "trident_dx_nx", device, 0, num_chan, &foldback);
+ if (err < 0)
return err;
foldback->private_data = trident;
@@ -2228,7 +2230,8 @@ int snd_trident_spdif_pcm(struct snd_trident *trident, int device)
struct snd_pcm *spdif;
int err;
- if ((err = snd_pcm_new(trident->card, "trident_dx_nx IEC958", device, 1, 0, &spdif)) < 0)
+ err = snd_pcm_new(trident->card, "trident_dx_nx IEC958", device, 1, 0, &spdif);
+ if (err < 0)
return err;
spdif->private_data = trident;
@@ -2921,7 +2924,8 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
if (!uctl)
return -ENOMEM;
- if ((err = snd_ac97_bus(trident->card, 0, &ops, NULL, &trident->ac97_bus)) < 0)
+ err = snd_ac97_bus(trident->card, 0, &ops, NULL, &trident->ac97_bus);
+ if (err < 0)
goto __out;
memset(&_ac97, 0, sizeof(_ac97));
@@ -2929,9 +2933,11 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
trident->ac97_detect = 1;
__again:
- if ((err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97)) < 0) {
+ err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97);
+ if (err < 0) {
if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
- if ((err = snd_trident_sis_reset(trident)) < 0)
+ err = snd_trident_sis_reset(trident);
+ if (err < 0)
goto __out;
if (retries-- > 0)
goto __again;
@@ -2962,10 +2968,14 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
trident->ac97_detect = 0;
if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
- if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_vol_wave_control, trident))) < 0)
+ kctl = snd_ctl_new1(&snd_trident_vol_wave_control, trident);
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
goto __out;
kctl->put(kctl, uctl);
- if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_vol_music_control, trident))) < 0)
+ kctl = snd_ctl_new1(&snd_trident_vol_music_control, trident);
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
goto __out;
kctl->put(kctl, uctl);
outl(trident->musicvol_wavevol = 0x00000000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
@@ -2979,28 +2989,38 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
tmix = &trident->pcm_mixer[idx];
tmix->voice = NULL;
}
- if ((trident->ctl_vol = snd_ctl_new1(&snd_trident_pcm_vol_control, trident)) == NULL)
+ trident->ctl_vol = snd_ctl_new1(&snd_trident_pcm_vol_control, trident);
+ if (!trident->ctl_vol)
goto __nomem;
- if ((err = snd_ctl_add(card, trident->ctl_vol)))
+ err = snd_ctl_add(card, trident->ctl_vol);
+ if (err)
goto __out;
- if ((trident->ctl_pan = snd_ctl_new1(&snd_trident_pcm_pan_control, trident)) == NULL)
+ trident->ctl_pan = snd_ctl_new1(&snd_trident_pcm_pan_control, trident);
+ if (!trident->ctl_pan)
goto __nomem;
- if ((err = snd_ctl_add(card, trident->ctl_pan)))
+ err = snd_ctl_add(card, trident->ctl_pan);
+ if (err)
goto __out;
- if ((trident->ctl_rvol = snd_ctl_new1(&snd_trident_pcm_rvol_control, trident)) == NULL)
+ trident->ctl_rvol = snd_ctl_new1(&snd_trident_pcm_rvol_control, trident);
+ if (!trident->ctl_rvol)
goto __nomem;
- if ((err = snd_ctl_add(card, trident->ctl_rvol)))
+ err = snd_ctl_add(card, trident->ctl_rvol);
+ if (err)
goto __out;
- if ((trident->ctl_cvol = snd_ctl_new1(&snd_trident_pcm_cvol_control, trident)) == NULL)
+ trident->ctl_cvol = snd_ctl_new1(&snd_trident_pcm_cvol_control, trident);
+ if (!trident->ctl_cvol)
goto __nomem;
- if ((err = snd_ctl_add(card, trident->ctl_cvol)))
+ err = snd_ctl_add(card, trident->ctl_cvol);
+ if (err)
goto __out;
if (trident->device == TRIDENT_DEVICE_ID_NX) {
- if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_ac97_rear_control, trident))) < 0)
+ kctl = snd_ctl_new1(&snd_trident_ac97_rear_control, trident);
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
goto __out;
kctl->put(kctl, uctl);
}
@@ -3016,7 +3036,8 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
if (trident->ac97_sec && (trident->ac97_sec->ext_id & AC97_EI_SPDIF))
kctl->id.index++;
idx = kctl->id.index;
- if ((err = snd_ctl_add(card, kctl)) < 0)
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
goto __out;
kctl->put(kctl, uctl);
@@ -3027,7 +3048,8 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
}
kctl->id.index = idx;
kctl->id.device = pcm_spdif_device;
- if ((err = snd_ctl_add(card, kctl)) < 0)
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
goto __out;
kctl = snd_ctl_new1(&snd_trident_spdif_mask, trident);
@@ -3037,7 +3059,8 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
}
kctl->id.index = idx;
kctl->id.device = pcm_spdif_device;
- if ((err = snd_ctl_add(card, kctl)) < 0)
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
goto __out;
kctl = snd_ctl_new1(&snd_trident_spdif_stream, trident);
@@ -3047,7 +3070,8 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
}
kctl->id.index = idx;
kctl->id.device = pcm_spdif_device;
- if ((err = snd_ctl_add(card, kctl)) < 0)
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
goto __out;
trident->spdif_pcm_ctl = kctl;
}
@@ -3449,7 +3473,8 @@ static int snd_trident_sis_init(struct snd_trident *trident)
{
int err;
- if ((err = snd_trident_sis_reset(trident)) < 0)
+ err = snd_trident_sis_reset(trident);
+ if (err < 0)
return err;
snd_trident_stop_all_voices(trident);
@@ -3494,7 +3519,8 @@ int snd_trident_create(struct snd_card *card,
*rtrident = NULL;
/* enable PCI device */
- if ((err = pci_enable_device(pci)) < 0)
+ err = pci_enable_device(pci);
+ if (err < 0)
return err;
/* check, if we can restrict PCI DMA transfers to 30 bits */
if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(30))) {
@@ -3528,7 +3554,8 @@ int snd_trident_create(struct snd_card *card,
trident->midi_port = TRID_REG(trident, T4D_MPU401_BASE);
pci_set_master(pci);
- if ((err = pci_request_regions(pci, "Trident Audio")) < 0) {
+ err = pci_request_regions(pci, "Trident Audio");
+ if (err < 0) {
kfree(trident);
pci_disable_device(pci);
return err;
@@ -3548,7 +3575,8 @@ int snd_trident_create(struct snd_card *card,
trident->tlb.entries = NULL;
trident->tlb.buffer.area = NULL;
if (trident->device == TRIDENT_DEVICE_ID_NX) {
- if ((err = snd_trident_tlb_alloc(trident)) < 0) {
+ err = snd_trident_tlb_alloc(trident);
+ if (err < 0) {
snd_trident_free(trident);
return err;
}
@@ -3576,12 +3604,14 @@ int snd_trident_create(struct snd_card *card,
return err;
}
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, trident, &ops)) < 0) {
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, trident, &ops);
+ if (err < 0) {
snd_trident_free(trident);
return err;
}
- if ((err = snd_trident_mixer(trident, pcm_spdif_device)) < 0)
+ err = snd_trident_mixer(trident, pcm_spdif_device);
+ if (err < 0)
return err;
/* initialise synth voices */
--
2.26.2
