ISA AD1816A 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@suse.de --- sound/isa/ad1816a/ad1816a.c | 23 ++++++++++++++--------- sound/isa/ad1816a/ad1816a_lib.c | 27 ++++++++++++++++++--------- 2 files changed, 32 insertions(+), 18 deletions(-)
diff --git a/sound/isa/ad1816a/ad1816a.c b/sound/isa/ad1816a/ad1816a.c index f11af983b3b6..fa5bed0d5a6f 100644 --- a/sound/isa/ad1816a/ad1816a.c +++ b/sound/isa/ad1816a/ad1816a.c @@ -131,16 +131,18 @@ static int snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard, return error; chip = card->private_data;
- if ((error = snd_card_ad1816a_pnp(dev, pcard, pid))) { + error = snd_card_ad1816a_pnp(dev, pcard, pid); + if (error) { snd_card_free(card); return error; }
- if ((error = snd_ad1816a_create(card, port[dev], - irq[dev], - dma1[dev], - dma2[dev], - chip)) < 0) { + error = snd_ad1816a_create(card, port[dev], + irq[dev], + dma1[dev], + dma2[dev], + chip); + if (error) { snd_card_free(card); return error; } @@ -152,12 +154,14 @@ static int snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard, sprintf(card->longname, "%s, SS at 0x%lx, irq %d, dma %d&%d", card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]);
- if ((error = snd_ad1816a_pcm(chip, 0)) < 0) { + error = snd_ad1816a_pcm(chip, 0); + if (error < 0) { snd_card_free(card); return error; }
- if ((error = snd_ad1816a_mixer(chip)) < 0) { + error = snd_ad1816a_mixer(chip); + if (error < 0) { snd_card_free(card); return error; } @@ -189,7 +193,8 @@ static int snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard, } }
- if ((error = snd_card_register(card)) < 0) { + error = snd_card_register(card); + if (error < 0) { snd_card_free(card); return error; } diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c index 01381fe7c0c9..6d4999b30461 100644 --- a/sound/isa/ad1816a/ad1816a_lib.c +++ b/sound/isa/ad1816a/ad1816a_lib.c @@ -155,7 +155,8 @@ static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode) snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_TIMER_IRQ_ENABLE, 0x0000); } - if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN)) + chip->mode &= ~mode; + if (!(chip->mode & AD1816A_MODE_OPEN)) chip->mode = 0;
spin_unlock_irqrestore(&chip->lock, flags); @@ -426,7 +427,8 @@ static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int error;
- if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0) + error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK); + if (error < 0) return error; runtime->hw = snd_ad1816a_playback; snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); @@ -441,7 +443,8 @@ static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int error;
- if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0) + error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE); + if (error < 0) return error; runtime->hw = snd_ad1816a_capture; snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); @@ -586,7 +589,8 @@ int snd_ad1816a_create(struct snd_card *card, chip->dma1 = -1; chip->dma2 = -1;
- if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) { + chip->res_port = request_region(port, 16, "AD1816A"); + if (!chip->res_port) { snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port); snd_ad1816a_free(chip); return -EBUSY; @@ -615,7 +619,8 @@ int snd_ad1816a_create(struct snd_card *card, chip->port = port; spin_lock_init(&chip->lock);
- if ((error = snd_ad1816a_probe(chip))) { + error = snd_ad1816a_probe(chip); + if (error) { snd_ad1816a_free(chip); return error; } @@ -623,7 +628,8 @@ int snd_ad1816a_create(struct snd_card *card, snd_ad1816a_init(chip);
/* Register device */ - if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (error < 0) { snd_ad1816a_free(chip); return error; } @@ -652,7 +658,8 @@ int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device) int error; struct snd_pcm *pcm;
- if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm))) + error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm); + if (error) return error;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops); @@ -682,7 +689,8 @@ int snd_ad1816a_timer(struct snd_ad1816a *chip, int device) tid.card = chip->card->number; tid.device = device; tid.subdevice = 0; - if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0) + error = snd_timer_new(chip->card, "AD1816A", &tid, &timer); + if (error < 0) return error; strcpy(timer->name, snd_ad1816a_chip_id(chip)); timer->private_data = chip; @@ -944,7 +952,8 @@ int snd_ad1816a_mixer(struct snd_ad1816a *chip) strcpy(card->mixername, snd_ad1816a_chip_id(chip));
for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip)); + if (err < 0) return err; } return 0;