diff options
author | Markus Elfring <elfring@users.sourceforge.net> | 2017-09-06 08:18:30 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2017-09-07 10:23:47 +0200 |
commit | 468778a09c8a0c0b495064745ece2c73f4b4d389 (patch) | |
tree | e0aab4592115686106a6a133f18beedd1a59968e /sound/pci | |
parent | ee5f38a4459a453ba5d5bdacdcffdf408548338f (diff) | |
download | op-kernel-dev-468778a09c8a0c0b495064745ece2c73f4b4d389.zip op-kernel-dev-468778a09c8a0c0b495064745ece2c73f4b4d389.tar.gz |
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>
Diffstat (limited to 'sound/pci')
-rw-r--r-- | sound/pci/maestro3.c | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index 97ac80a..8f20dec 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -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) |