A few ALSA serial drivers contain 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/mtpav.c | 15 +++++++++------ sound/drivers/mts64.c | 15 ++++++++++----- sound/drivers/portman2x4.c | 15 ++++++++++----- sound/drivers/serial-u16550.c | 27 ++++++++++++++------------- 4 files changed, 43 insertions(+), 29 deletions(-)
diff --git a/sound/drivers/mtpav.c b/sound/drivers/mtpav.c index df4b7f9cd50f..0e95b08d34d6 100644 --- a/sound/drivers/mtpav.c +++ b/sound/drivers/mtpav.c @@ -566,7 +566,8 @@ static irqreturn_t snd_mtpav_irqh(int irq, void *dev_id) */ static int snd_mtpav_get_ISA(struct mtpav *mcard) { - if ((mcard->res_port = request_region(port, 3, "MotuMTPAV MIDI")) == NULL) { + mcard->res_port = request_region(port, 3, "MotuMTPAV MIDI"); + if (!mcard->res_port) { snd_printk(KERN_ERR "MTVAP port 0x%lx is busy\n", port); return -EBUSY; } @@ -628,10 +629,11 @@ static int snd_mtpav_get_RAWMIDI(struct mtpav *mcard) hwports = 8; mcard->num_ports = hwports;
- if ((rval = snd_rawmidi_new(mcard->card, "MotuMIDI", 0, - mcard->num_ports * 2 + MTPAV_PIDX_BROADCAST + 1, - mcard->num_ports * 2 + MTPAV_PIDX_BROADCAST + 1, - &mcard->rmidi)) < 0) + rval = snd_rawmidi_new(mcard->card, "MotuMIDI", 0, + mcard->num_ports * 2 + MTPAV_PIDX_BROADCAST + 1, + mcard->num_ports * 2 + MTPAV_PIDX_BROADCAST + 1, + &mcard->rmidi); + if (rval < 0) return rval; rawmidi = mcard->rmidi; rawmidi->private_data = mcard; @@ -744,7 +746,8 @@ static int __init alsa_card_mtpav_init(void) { int err;
- if ((err = platform_driver_register(&snd_mtpav_driver)) < 0) + err = platform_driver_register(&snd_mtpav_driver); + if (err < 0) return err;
device = platform_device_register_simple(SND_MTPAV_DRIVER, -1, NULL, 0); diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c index 322d530ab07b..d3bc9e8c407d 100644 --- a/sound/drivers/mts64.c +++ b/sound/drivers/mts64.c @@ -950,7 +950,8 @@ static int snd_mts64_probe(struct platform_device *pdev) goto free_pardev; }
- if ((err = snd_mts64_create(card, pardev, &mts)) < 0) { + err = snd_mts64_create(card, pardev, &mts); + if (err < 0) { snd_printd("Cannot create main component\n"); goto release_pardev; } @@ -963,19 +964,22 @@ static int snd_mts64_probe(struct platform_device *pdev) goto __err; } - if ((err = snd_mts64_rawmidi_create(card)) < 0) { + err = snd_mts64_rawmidi_create(card); + if (err < 0) { snd_printd("Creating Rawmidi component failed\n"); goto __err; }
/* init device */ - if ((err = mts64_device_init(p)) < 0) + err = mts64_device_init(p); + if (err < 0) goto __err;
platform_set_drvdata(pdev, card);
/* At this point card will be usable */ - if ((err = snd_card_register(card)) < 0) { + err = snd_card_register(card); + if (err < 0) { snd_printd("Cannot register card\n"); goto __err; } @@ -1031,7 +1035,8 @@ static int __init snd_mts64_module_init(void) { int err;
- if ((err = platform_driver_register(&snd_mts64_driver)) < 0) + err = platform_driver_register(&snd_mts64_driver); + if (err < 0) return err;
if (parport_register_driver(&mts64_parport_driver) != 0) { diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c index 2f4514ed47c5..52a656735365 100644 --- a/sound/drivers/portman2x4.c +++ b/sound/drivers/portman2x4.c @@ -749,7 +749,8 @@ static int snd_portman_probe(struct platform_device *pdev) goto free_pardev; }
- if ((err = portman_create(card, pardev, &pm)) < 0) { + err = portman_create(card, pardev, &pm); + if (err < 0) { snd_printd("Cannot create main component\n"); goto release_pardev; } @@ -762,19 +763,22 @@ static int snd_portman_probe(struct platform_device *pdev) goto __err; } - if ((err = snd_portman_rawmidi_create(card)) < 0) { + err = snd_portman_rawmidi_create(card); + if (err < 0) { snd_printd("Creating Rawmidi component failed\n"); goto __err; }
/* init device */ - if ((err = portman_device_init(pm)) < 0) + err = portman_device_init(pm); + if (err < 0) goto __err;
platform_set_drvdata(pdev, card);
/* At this point card will be usable */ - if ((err = snd_card_register(card)) < 0) { + err = snd_card_register(card); + if (err < 0) { snd_printd("Cannot register card\n"); goto __err; } @@ -831,7 +835,8 @@ static int __init snd_portman_module_init(void) { int err;
- if ((err = platform_driver_register(&snd_portman_driver)) < 0) + err = platform_driver_register(&snd_portman_driver); + if (err < 0) return err;
if (parport_register_driver(&portman_parport_driver) != 0) { diff --git a/sound/drivers/serial-u16550.c b/sound/drivers/serial-u16550.c index 6d5d1ca59ecf..da9983cba01c 100644 --- a/sound/drivers/serial-u16550.c +++ b/sound/drivers/serial-u16550.c @@ -783,7 +783,8 @@ static int snd_uart16550_create(struct snd_card *card, int err;
- if ((uart = kzalloc(sizeof(*uart), GFP_KERNEL)) == NULL) + uart = kzalloc(sizeof(*uart), GFP_KERNEL); + if (!uart) return -ENOMEM; uart->adaptor = adaptor; uart->card = card; @@ -792,7 +793,8 @@ static int snd_uart16550_create(struct snd_card *card, uart->base = iobase; uart->drop_on_full = droponfull;
- if ((err = snd_uart16550_detect(uart)) <= 0) { + err = snd_uart16550_detect(uart); + if (err <= 0) { printk(KERN_ERR "no UART detected at 0x%lx\n", iobase); snd_uart16550_free(uart); return -ENODEV; @@ -818,7 +820,8 @@ static int snd_uart16550_create(struct snd_card *card, uart->timer_running = 0;
/* Register device */ - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, uart, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, uart, &ops); + if (err < 0) { snd_uart16550_free(uart); return err; } @@ -932,14 +935,10 @@ static int snd_serial_probe(struct platform_device *devptr) strcpy(card->driver, "Serial"); strcpy(card->shortname, "Serial MIDI (UART16550A)");
- if ((err = snd_uart16550_create(card, - port[dev], - irq[dev], - speed[dev], - base[dev], - adaptor[dev], - droponfull[dev], - &uart)) < 0) + err = snd_uart16550_create(card, port[dev], irq[dev], speed[dev], + base[dev], adaptor[dev], droponfull[dev], + &uart); + if (err < 0) goto _err;
err = snd_uart16550_rmidi(uart, 0, outs[dev], ins[dev], &uart->rmidi); @@ -952,7 +951,8 @@ static int snd_serial_probe(struct platform_device *devptr) uart->base, uart->irq);
- if ((err = snd_card_register(card)) < 0) + err = snd_card_register(card); + if (err < 0) goto _err;
platform_set_drvdata(devptr, card); @@ -992,7 +992,8 @@ static int __init alsa_card_serial_init(void) { int i, cards, err;
- if ((err = platform_driver_register(&snd_serial_driver)) < 0) + err = platform_driver_register(&snd_serial_driver); + if (err < 0) return err;
cards = 0;