The managed functions allow to get ->probe() and ->remove() simplier. This patch converts code to use managed functions.
While here remove the dead code and fix the value printed in error message.
Signed-off-by: Andy Shevchenko andy.shevchenko@gmail.com --- sound/pci/fm801.c | 29 +++++++---------------------- 1 file changed, 7 insertions(+), 22 deletions(-)
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index dcda3c1..2708500 100644 --- a/sound/pci/fm801.c +++ b/sound/pci/fm801.c @@ -1178,12 +1178,8 @@ static int snd_fm801_free(struct fm801 *chip) v4l2_device_unregister(&chip->v4l2_dev); } #endif - if (chip->irq >= 0) - free_irq(chip->irq, chip); pci_release_regions(chip->pci); - pci_disable_device(chip->pci);
- kfree(chip); return 0; }
@@ -1206,28 +1202,23 @@ static int snd_fm801_create(struct snd_card *card, };
*rchip = NULL; - if ((err = pci_enable_device(pci)) < 0) + if ((err = pcim_enable_device(pci)) < 0) return err; - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - pci_disable_device(pci); + chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL); + if (chip == NULL) return -ENOMEM; - } spin_lock_init(&chip->reg_lock); chip->card = card; chip->pci = pci; chip->irq = -1; chip->tea575x_tuner = tea575x_tuner; - if ((err = pci_request_regions(pci, "FM801")) < 0) { - kfree(chip); - pci_disable_device(pci); + if ((err = pci_request_regions(pci, "FM801")) < 0) return err; - } chip->port = pci_resource_start(pci, 0); if ((tea575x_tuner & TUNER_ONLY) == 0) { - if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED, - KBUILD_MODNAME, chip)) { - dev_err(card->dev, "unable to grab IRQ %d\n", chip->irq); + if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt, + IRQF_SHARED, KBUILD_MODNAME, chip)) { + dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); snd_fm801_free(chip); return -EBUSY; } @@ -1242,12 +1233,6 @@ static int snd_fm801_create(struct snd_card *card, /* init might set tuner access method */ tea575x_tuner = chip->tea575x_tuner;
- if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) { - pci_clear_master(pci); - free_irq(chip->irq, chip); - chip->irq = -1; - } - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { snd_fm801_free(chip); return err;