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@xxxxxxx>
---
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;
}
--
2.26.2
