From: Markus Elfring <[email protected]> Date: Wed, 15 Nov 2017 09:04:41 +0100
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 <[email protected]> --- sound/pci/es1968.c | 66 ++++++++++++++++++++++++++++-------------------------- 1 file changed, 34 insertions(+), 32 deletions(-) diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index d68980087f93..7777ec583e20 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -2702,14 +2702,14 @@ static int snd_es1968_create(struct snd_card *card, dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(28)) < 0) { dev_err(card->dev, "architecture does not support 28bit PCI busmaster DMA\n"); - pci_disable_device(pci); - return -ENXIO; + err = -ENXIO; + goto disable_device; } chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (! chip) { - pci_disable_device(pci); - return -ENOMEM; + err = -ENOMEM; + goto disable_device; } /* Set Vars */ @@ -2730,15 +2730,14 @@ static int snd_es1968_create(struct snd_card *card, err = pci_request_regions(pci, "ESS Maestro"); if (err < 0) { kfree(chip); - pci_disable_device(pci); - return err; + goto disable_device; } chip->io_port = pci_resource_start(pci, 0); if (request_irq(pci->irq, snd_es1968_interrupt, IRQF_SHARED, KBUILD_MODNAME, chip)) { dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); - snd_es1968_free(chip); - return -EBUSY; + err = -EBUSY; + goto free_sound_chip; } chip->irq = pci->irq; @@ -2775,20 +2774,17 @@ static int snd_es1968_create(struct snd_card *card, snd_es1968_chip_init(chip); err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); - if (err < 0) { - snd_es1968_free(chip); - return err; - } + if (err < 0) + goto free_sound_chip; #ifdef CONFIG_SND_ES1968_RADIO /* don't play with GPIOs on laptops */ if (chip->pci->subsystem_vendor != 0x125d) goto no_radio; err = v4l2_device_register(&pci->dev, &chip->v4l2_dev); - if (err < 0) { - snd_es1968_free(chip); - return err; - } + if (err < 0) + goto free_sound_chip; + chip->tea.v4l2_dev = &chip->v4l2_dev; chip->tea.private_data = chip; chip->tea.radio_nr = radio_nr; @@ -2810,6 +2806,14 @@ static int snd_es1968_create(struct snd_card *card, *chip_ret = chip; return 0; + +disable_device: + pci_disable_device(pci); + return err; + +free_sound_chip: + snd_es1968_free(chip); + return err; } @@ -2849,10 +2853,9 @@ static int snd_es1968_probe(struct pci_dev *pci, use_pm[dev], radio_nr[dev], &chip); - if (err < 0) { - snd_card_free(card); - return err; - } + if (err < 0) + goto free_card; + card->private_data = chip; switch (chip->type) { @@ -2871,16 +2874,12 @@ static int snd_es1968_probe(struct pci_dev *pci, } err = snd_es1968_pcm(chip, 0); - if (err < 0) { - snd_card_free(card); - return err; - } + if (err < 0) + goto free_card; err = snd_es1968_mixer(chip); - if (err < 0) { - snd_card_free(card); - return err; - } + if (err < 0) + goto free_card; if (enable_mpu[dev] == 2) { /* check the black list */ @@ -2923,13 +2922,16 @@ static int snd_es1968_probe(struct pci_dev *pci, card->shortname, chip->io_port, chip->irq); err = snd_card_register(card); - if (err < 0) { - snd_card_free(card); - return err; - } + if (err < 0) + goto free_card; + pci_set_drvdata(pci, card); dev++; return 0; + +free_card: + snd_card_free(card); + return err; } static void snd_es1968_remove(struct pci_dev *pci) -- 2.15.0
