ISA CS423x 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/cs423x/cs4236.c | 21 ++++++++++++++------- sound/isa/cs423x/cs4236_lib.c | 12 ++++++++---- 2 files changed, 22 insertions(+), 11 deletions(-)
diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c index 186d7d4db45e..0b7fd17f8ecc 100644 --- a/sound/isa/cs423x/cs4236.c +++ b/sound/isa/cs423x/cs4236.c @@ -339,11 +339,13 @@ static int snd_cs423x_probe(struct snd_card *card, int dev) int err;
acard = card->private_data; - if (sb_port[dev] > 0 && sb_port[dev] != SNDRV_AUTO_PORT) - if ((acard->res_sb_port = request_region(sb_port[dev], 16, IDENT " SB")) == NULL) { + if (sb_port[dev] > 0 && sb_port[dev] != SNDRV_AUTO_PORT) { + acard->res_sb_port = request_region(sb_port[dev], 16, IDENT " SB"); + if (!acard->res_sb_port) { printk(KERN_ERR IDENT ": unable to register SB port at 0x%lx\n", sb_port[dev]); return -EBUSY; } + }
err = snd_cs4236_create(card, port[dev], cport[dev], irq[dev], @@ -393,7 +395,8 @@ static int snd_cs423x_probe(struct snd_card *card, int dev) OPL3_HW_OPL3_CS, 0, &opl3) < 0) { printk(KERN_WARNING IDENT ": OPL3 not detected\n"); } else { - if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) + err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); + if (err < 0) return err; } } @@ -444,7 +447,8 @@ static int snd_cs423x_isa_probe(struct device *pdev, err = snd_cs423x_card_new(pdev, dev, &card); if (err < 0) return err; - if ((err = snd_cs423x_probe(card, dev)) < 0) { + err = snd_cs423x_probe(card, dev); + if (err < 0) { snd_card_free(card); return err; } @@ -538,7 +542,8 @@ static int snd_cs423x_pnpbios_detect(struct pnp_dev *pdev, snd_card_free(card); return err; } - if ((err = snd_cs423x_probe(card, dev)) < 0) { + err = snd_cs423x_probe(card, dev); + if (err < 0) { snd_card_free(card); return err; } @@ -592,13 +597,15 @@ static int snd_cs423x_pnpc_detect(struct pnp_card_link *pcard, res = snd_cs423x_card_new(&pcard->card->dev, dev, &card); if (res < 0) return res; - if ((res = snd_card_cs423x_pnpc(dev, card->private_data, pcard, pid)) < 0) { + res = snd_card_cs423x_pnpc(dev, card->private_data, pcard, pid); + if (res < 0) { printk(KERN_ERR "isapnp detection failed and probing for " IDENT " is not supported\n"); snd_card_free(card); return res; } - if ((res = snd_cs423x_probe(card, dev)) < 0) { + res = snd_cs423x_probe(card, dev); + if (res < 0) { snd_card_free(card); return res; } diff --git a/sound/isa/cs423x/cs4236_lib.c b/sound/isa/cs423x/cs4236_lib.c index 52f05adb1870..63957aea456b 100644 --- a/sound/isa/cs423x/cs4236_lib.c +++ b/sound/isa/cs423x/cs4236_lib.c @@ -1030,12 +1030,14 @@ int snd_cs4236_mixer(struct snd_wss *chip) if (chip->hardware == WSS_HW_CS4235 || chip->hardware == WSS_HW_CS4239) { for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip)); + if (err < 0) return err; } } else { for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip)); + if (err < 0) return err; } } @@ -1058,13 +1060,15 @@ int snd_cs4236_mixer(struct snd_wss *chip) kcontrol = NULL; } for (idx = 0; idx < count; idx++, kcontrol++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip)); + if (err < 0) return err; } if (chip->hardware == WSS_HW_CS4237B || chip->hardware == WSS_HW_CS4238B) { for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip)); + if (err < 0) return err; } }