OPL3 helper code contains a few 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/drivers/opl3/opl3_lib.c | 42 ++++++++++++++++++++++------------- sound/drivers/opl3/opl3_oss.c | 6 +++-- sound/drivers/opl3/opl3_seq.c | 9 +++++--- 3 files changed, 37 insertions(+), 20 deletions(-)
diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c index 9259522483c8..6c1f1cc092d8 100644 --- a/sound/drivers/opl3/opl3_lib.c +++ b/sound/drivers/opl3/opl3_lib.c @@ -243,7 +243,8 @@ static int snd_opl3_timer1_init(struct snd_opl3 * opl3, int timer_no) tid.card = opl3->card->number; tid.device = timer_no; tid.subdevice = 0; - if ((err = snd_timer_new(opl3->card, "AdLib timer #1", &tid, &timer)) >= 0) { + err = snd_timer_new(opl3->card, "AdLib timer #1", &tid, &timer); + if (err >= 0) { strcpy(timer->name, "AdLib timer #1"); timer->private_data = opl3; timer->hw = snd_opl3_timer1; @@ -263,7 +264,8 @@ static int snd_opl3_timer2_init(struct snd_opl3 * opl3, int timer_no) tid.card = opl3->card->number; tid.device = timer_no; tid.subdevice = 0; - if ((err = snd_timer_new(opl3->card, "AdLib timer #2", &tid, &timer)) >= 0) { + err = snd_timer_new(opl3->card, "AdLib timer #2", &tid, &timer); + if (err >= 0) { strcpy(timer->name, "AdLib timer #2"); timer->private_data = opl3; timer->hw = snd_opl3_timer2; @@ -348,7 +350,8 @@ int snd_opl3_new(struct snd_card *card, spin_lock_init(&opl3->reg_lock); spin_lock_init(&opl3->timer_lock);
- if ((err = snd_device_new(card, SNDRV_DEV_CODEC, opl3, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_CODEC, opl3, &ops); + if (err < 0) { snd_opl3_free(opl3); return err; } @@ -396,19 +399,23 @@ int snd_opl3_create(struct snd_card *card, int err;
*ropl3 = NULL; - if ((err = snd_opl3_new(card, hardware, &opl3)) < 0) + err = snd_opl3_new(card, hardware, &opl3); + if (err < 0) return err; if (! integrated) { - if ((opl3->res_l_port = request_region(l_port, 2, "OPL2/3 (left)")) == NULL) { + opl3->res_l_port = request_region(l_port, 2, "OPL2/3 (left)"); + if (!opl3->res_l_port) { snd_printk(KERN_ERR "opl3: can't grab left port 0x%lx\n", l_port); snd_device_free(card, opl3); return -EBUSY; } - if (r_port != 0 && - (opl3->res_r_port = request_region(r_port, 2, "OPL2/3 (right)")) == NULL) { - snd_printk(KERN_ERR "opl3: can't grab right port 0x%lx\n", r_port); - snd_device_free(card, opl3); - return -EBUSY; + if (r_port != 0) { + opl3->res_r_port = request_region(r_port, 2, "OPL2/3 (right)"); + if (!opl3->res_r_port) { + snd_printk(KERN_ERR "opl3: can't grab right port 0x%lx\n", r_port); + snd_device_free(card, opl3); + return -EBUSY; + } } } opl3->l_port = l_port; @@ -423,7 +430,8 @@ int snd_opl3_create(struct snd_card *card, break; default: opl3->command = &snd_opl2_command; - if ((err = snd_opl3_detect(opl3)) < 0) { + err = snd_opl3_detect(opl3); + if (err < 0) { snd_printd("OPL2/3 chip not detected at 0x%lx/0x%lx\n", opl3->l_port, opl3->r_port); snd_device_free(card, opl3); @@ -449,11 +457,14 @@ int snd_opl3_timer_new(struct snd_opl3 * opl3, int timer1_dev, int timer2_dev) { int err;
- if (timer1_dev >= 0) - if ((err = snd_opl3_timer1_init(opl3, timer1_dev)) < 0) + if (timer1_dev >= 0) { + err = snd_opl3_timer1_init(opl3, timer1_dev); + if (err < 0) return err; + } if (timer2_dev >= 0) { - if ((err = snd_opl3_timer2_init(opl3, timer2_dev)) < 0) { + err = snd_opl3_timer2_init(opl3, timer2_dev); + if (err < 0) { snd_device_free(opl3->card, opl3->timer1); opl3->timer1 = NULL; return err; @@ -477,7 +488,8 @@ int snd_opl3_hwdep_new(struct snd_opl3 * opl3,
/* create hardware dependent device (direct FM) */
- if ((err = snd_hwdep_new(card, "OPL2/OPL3", device, &hw)) < 0) { + err = snd_hwdep_new(card, "OPL2/OPL3", device, &hw); + if (err < 0) { snd_device_free(card, opl3); return err; } diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c index c82c7c1c0714..7645365eec89 100644 --- a/sound/drivers/opl3/opl3_oss.c +++ b/sound/drivers/opl3/opl3_oss.c @@ -136,7 +136,8 @@ static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure) if (snd_BUG_ON(!arg)) return -ENXIO;
- if ((err = snd_opl3_synth_setup(opl3)) < 0) + err = snd_opl3_synth_setup(opl3); + if (err < 0) return err;
/* fill the argument data */ @@ -144,7 +145,8 @@ static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure) arg->addr.client = opl3->oss_chset->client; arg->addr.port = opl3->oss_chset->port;
- if ((err = snd_opl3_synth_use_inc(opl3)) < 0) + err = snd_opl3_synth_use_inc(opl3); + if (err < 0) return err;
opl3->synth_mode = SNDRV_OPL3_MODE_SYNTH; diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c index cd2a01b5e2e1..75de1299c3dc 100644 --- a/sound/drivers/opl3/opl3_seq.c +++ b/sound/drivers/opl3/opl3_seq.c @@ -92,7 +92,8 @@ static int snd_opl3_synth_use(void *private_data, struct snd_seq_port_subscribe struct snd_opl3 *opl3 = private_data; int err;
- if ((err = snd_opl3_synth_setup(opl3)) < 0) + err = snd_opl3_synth_setup(opl3); + if (err < 0) return err;
if (use_internal_drums) { @@ -107,7 +108,8 @@ static int snd_opl3_synth_use(void *private_data, struct snd_seq_port_subscribe }
if (info->sender.client != SNDRV_SEQ_CLIENT_SYSTEM) { - if ((err = snd_opl3_synth_use_inc(opl3)) < 0) + err = snd_opl3_synth_use_inc(opl3); + if (err < 0) return err; } opl3->synth_mode = SNDRV_OPL3_MODE_SEQ; @@ -227,7 +229,8 @@ static int snd_opl3_seq_probe(struct device *_dev) if (client < 0) return client;
- if ((err = snd_opl3_synth_create_port(opl3)) < 0) { + err = snd_opl3_synth_create_port(opl3); + if (err < 0) { snd_seq_delete_kernel_client(client); opl3->seq_client = -1; return err;