ISA ES18xx 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/es18xx.c | 51 ++++++++++++++++++++++++++++++---------------- 1 file changed, 34 insertions(+), 17 deletions(-)
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c index 375a4a6a4717..68b9c59e1127 100644 --- a/sound/isa/es18xx.c +++ b/sound/isa/es18xx.c @@ -1573,7 +1573,8 @@ static int snd_es18xx_identify(struct snd_es18xx *chip) udelay(10); chip->ctrl_port += inb(chip->port + 0x05);
- if ((chip->res_ctrl_port = request_region(chip->ctrl_port, 8, "ES18xx - CTRL")) == NULL) { + chip->res_ctrl_port = request_region(chip->ctrl_port, 8, "ES18xx - CTRL"); + if (!chip->res_ctrl_port) { snd_printk(KERN_ERR PFX "unable go grab port 0x%lx\n", chip->ctrl_port); return -EBUSY; } @@ -1832,41 +1833,48 @@ static int snd_es18xx_mixer(struct snd_card *card) break; } } - if ((err = snd_ctl_add(card, kctl)) < 0) + err = snd_ctl_add(card, kctl); + if (err < 0) return err; } if (chip->caps & ES18XX_PCM2) { for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm2_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm2_controls[idx], chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm2_controls[idx], chip)); + if (err < 0) return err; } } else { for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm1_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm1_controls[idx], chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm1_controls[idx], chip)); + if (err < 0) return err; } }
if (chip->caps & ES18XX_RECMIX) { for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_recmix_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_recmix_controls[idx], chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_recmix_controls[idx], chip)); + if (err < 0) return err; } } switch (chip->version) { default: - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre1_control, chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre1_control, chip)); + if (err < 0) return err; break; case 0x1869: case 0x1879: - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre2_control, chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre2_control, chip)); + if (err < 0) return err; break; } if (chip->caps & ES18XX_SPATIALIZER) { for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_spatializer_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_spatializer_controls[idx], chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_spatializer_controls[idx], chip)); + if (err < 0) return err; } } @@ -1879,7 +1887,8 @@ static int snd_es18xx_mixer(struct snd_card *card) else chip->hw_switch = kctl; kctl->private_free = snd_es18xx_hwv_free; - if ((err = snd_ctl_add(card, kctl)) < 0) + err = snd_ctl_add(card, kctl); + if (err < 0) return err; } @@ -2154,7 +2163,8 @@ static int snd_es18xx_isa_probe1(int dev, struct device *devptr) err = snd_es18xx_card_new(devptr, dev, &card); if (err < 0) return err; - if ((err = snd_audiodrive_probe(card, dev)) < 0) { + err = snd_audiodrive_probe(card, dev); + if (err < 0) { snd_card_free(card); return err; } @@ -2169,19 +2179,22 @@ static int snd_es18xx_isa_probe(struct device *pdev, unsigned int dev) static const int possible_dmas[] = {1, 0, 3, 5, -1};
if (irq[dev] == SNDRV_AUTO_IRQ) { - if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) { + irq[dev] = snd_legacy_find_free_irq(possible_irqs); + if (irq[dev] < 0) { snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); return -EBUSY; } } if (dma1[dev] == SNDRV_AUTO_DMA) { - if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) { + dma1[dev] = snd_legacy_find_free_dma(possible_dmas); + if (dma1[dev] < 0) { snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); return -EBUSY; } } if (dma2[dev] == SNDRV_AUTO_DMA) { - if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) { + dma2[dev] = snd_legacy_find_free_dma(possible_dmas); + if (dma2[dev] < 0) { snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); return -EBUSY; } @@ -2257,11 +2270,13 @@ static int snd_audiodrive_pnp_detect(struct pnp_dev *pdev, err = snd_es18xx_card_new(&pdev->dev, dev, &card); if (err < 0) return err; - if ((err = snd_audiodrive_pnp(dev, card->private_data, pdev)) < 0) { + err = snd_audiodrive_pnp(dev, card->private_data, pdev); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_audiodrive_probe(card, dev)) < 0) { + err = snd_audiodrive_probe(card, dev); + if (err < 0) { snd_card_free(card); return err; } @@ -2315,11 +2330,13 @@ static int snd_audiodrive_pnpc_detect(struct pnp_card_link *pcard, if (res < 0) return res;
- if ((res = snd_audiodrive_pnpc(dev, card->private_data, pcard, pid)) < 0) { + res = snd_audiodrive_pnpc(dev, card->private_data, pcard, pid); + if (res < 0) { snd_card_free(card); return res; } - if ((res = snd_audiodrive_probe(card, dev)) < 0) { + res = snd_audiodrive_probe(card, dev); + if (res < 0) { snd_card_free(card); return res; }