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ALSA: maestro3: Use common error handling code in two functions 

Add jump targets so that a bit of exception handling can be better reused
at the end of these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Markus Elfring 2017-09-06 08:18:30 +02:00 committed by Takashi Iwai
parent ee5f38a445
commit 468778a09c
1 changed files with 28 additions and 29 deletions
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57
sound/pci/maestro3.c
View File

@ -2622,22 +2622,18 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
err = request_firmware(&chip->assp_kernel_image,
"ess/maestro3_assp_kernel.fw", &pci->dev);
if (err < 0) {
snd_m3_free(chip);
return err;
}
if (err < 0)
goto free_chip;
err = request_firmware(&chip->assp_minisrc_image,
"ess/maestro3_assp_minisrc.fw", &pci->dev);
if (err < 0) {
snd_m3_free(chip);
return err;
}
if (err < 0)
goto free_chip;
err = pci_request_regions(pci, card->driver);
if (err < 0)
goto free_chip;
if ((err = pci_request_regions(pci, card->driver)) < 0) {
snd_m3_free(chip);
return err;
}
chip->iobase = pci_resource_start(pci, 0);
/* just to be sure */
@ -2655,8 +2651,8 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
KBUILD_MODNAME, chip)) {
dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
snd_m3_free(chip);
return -ENOMEM;
err = -ENOMEM;
goto free_chip;
}
chip->irq = pci->irq;
@ -2666,10 +2662,9 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
dev_warn(card->dev, "can't allocate apm buffer\n");
#endif
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_m3_free(chip);
return err;
}
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0)
goto free_chip;
if ((err = snd_m3_mixer(chip)) < 0)
return err;
@ -2699,6 +2694,10 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
*chip_ret = chip;
return 0;
free_chip:
snd_m3_free(chip);
return err;
}
/*
@ -2741,23 +2740,19 @@ snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
break;
}
if ((err = snd_m3_create(card, pci,
external_amp[dev],
amp_gpio[dev],
&chip)) < 0) {
snd_card_free(card);
return err;
}
err = snd_m3_create(card, pci, external_amp[dev], amp_gpio[dev], &chip);
if (err < 0)
goto free_card;
card->private_data = chip;
sprintf(card->shortname, "ESS %s PCI", card->driver);
sprintf(card->longname, "%s at 0x%lx, irq %d",
card->shortname, chip->iobase, chip->irq);
if ((err = snd_card_register(card)) < 0) {
snd_card_free(card);
return err;
}
err = snd_card_register(card);
if (err < 0)
goto free_card;
#if 0 /* TODO: not supported yet */
/* TODO enable MIDI IRQ and I/O */
@ -2772,6 +2767,10 @@ snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
pci_set_drvdata(pci, card);
dev++;
return 0;
free_card:
snd_card_free(card);
return err;
}
static void snd_m3_remove(struct pci_dev *pci)