2021-06-16 02:53:05

by Yang Yingliang

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Subject: [PATCH -next] ALSA: fm801: Fix missing pci_release_regions() on error in snd_fm801_create()

Fix the missing pci_release_regions() before return
from snd_fm801_create() in the error handling case.

Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Yang Yingliang <[email protected]>
---
sound/pci/fm801.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index ed9dae87145b..adac9c6a67f0 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -1254,6 +1254,7 @@ static int snd_fm801_create(struct snd_card *card,
IRQF_SHARED, KBUILD_MODNAME, chip)) {
dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
snd_fm801_free(chip);
+ pci_release_regions(pci);
return -EBUSY;
}
chip->irq = pci->irq;
@@ -1266,6 +1267,7 @@ static int snd_fm801_create(struct snd_card *card,
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0) {
snd_fm801_free(chip);
+ pci_release_regions(pci);
return err;
}

@@ -1273,6 +1275,7 @@ static int snd_fm801_create(struct snd_card *card,
err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
if (err < 0) {
snd_fm801_free(chip);
+ pci_release_regions(pci);
return err;
}
chip->tea.v4l2_dev = &chip->v4l2_dev;
@@ -1285,6 +1288,7 @@ static int snd_fm801_create(struct snd_card *card,
if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
dev_err(card->dev, "TEA575x radio not found\n");
snd_fm801_free(chip);
+ pci_release_regions(pci);
return -ENODEV;
}
} else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
--
2.25.1


2021-06-16 06:53:26

by Takashi Iwai

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Subject: Re: [PATCH -next] ALSA: fm801: Fix missing pci_release_regions() on error in snd_fm801_create()

On Wed, 16 Jun 2021 04:55:07 +0200,
Yang Yingliang wrote:
>
> Fix the missing pci_release_regions() before return
> from snd_fm801_create() in the error handling case.
>
> Reported-by: Hulk Robot <[email protected]>
> Signed-off-by: Yang Yingliang <[email protected]>

pci_regions() is manated in pcim_release(), hence you don't need to
call it explicitly.


thanks,

Takashi

2021-06-16 07:03:20

by Yang Yingliang

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Subject: Re: [PATCH -next] ALSA: fm801: Fix missing pci_release_regions() on error in snd_fm801_create()


On 2021/6/16 14:50, Takashi Iwai wrote:
> On Wed, 16 Jun 2021 04:55:07 +0200,
> Yang Yingliang wrote:
>> Fix the missing pci_release_regions() before return
>> from snd_fm801_create() in the error handling case.
>>
>> Reported-by: Hulk Robot <[email protected]>
>> Signed-off-by: Yang Yingliang <[email protected]>
> pci_regions() is manated in pcim_release(), hence you don't need to
> call it explicitly.
OK.

Thanks,
Yang
>
>
> thanks,
>
> Takashi
> .