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| author | Takashi Iwai <tiwai@alsa3.local> | 2008-12-28 16:47:30 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-01-12 15:21:54 +0100 |
| commit | 3e7fb9f7ec00fd7cefd0d8e83df0cff86ce12515 (patch) | |
| tree | dd04faa1ccf4d894bda0ca14eb667bc4be096623 /sound/isa/cs423x | |
| parent | d453379bc5d34d7f55b55931245de5ac1896fd8d (diff) | |
| download | lwn-3e7fb9f7ec00fd7cefd0d8e83df0cff86ce12515.tar.gz lwn-3e7fb9f7ec00fd7cefd0d8e83df0cff86ce12515.zip | |
ALSA: Return proper error code at probe in sound/isa/*
Some drivers in sound/isa/* don't handle the error code properly
from snd_card_create(). This patch fixes these places.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa/cs423x')
| -rw-r--r-- | sound/isa/cs423x/cs4236.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c index db830682804f..f7845986f467 100644 --- a/sound/isa/cs423x/cs4236.c +++ b/sound/isa/cs423x/cs4236.c @@ -382,7 +382,7 @@ static void snd_card_cs4236_free(struct snd_card *card) release_and_free_resource(acard->res_sb_port); } -static struct snd_card *snd_cs423x_card_new(int dev) +static int snd_cs423x_card_new(int dev, struct snd_card **cardp) { struct snd_card *card; int err; @@ -390,9 +390,10 @@ static struct snd_card *snd_cs423x_card_new(int dev) err = snd_card_create(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_card_cs4236), &card); if (err < 0) - return NULL; + return err; card->private_free = snd_card_cs4236_free; - return card; + *cardp = card; + return 0; } static int __devinit snd_cs423x_probe(struct snd_card *card, int dev) @@ -513,9 +514,9 @@ static int __devinit snd_cs423x_isa_probe(struct device *pdev, struct snd_card *card; int err; - card = snd_cs423x_card_new(dev); - if (! card) - return -ENOMEM; + err = snd_cs423x_card_new(dev, &card); + if (err < 0) + return err; snd_card_set_dev(card, pdev); if ((err = snd_cs423x_probe(card, dev)) < 0) { snd_card_free(card); @@ -595,9 +596,9 @@ static int __devinit snd_cs4232_pnpbios_detect(struct pnp_dev *pdev, if (dev >= SNDRV_CARDS) return -ENODEV; - card = snd_cs423x_card_new(dev); - if (! card) - return -ENOMEM; + err = snd_cs423x_card_new(dev, &card); + if (err < 0) + return err; if ((err = snd_card_cs4232_pnp(dev, card->private_data, pdev)) < 0) { printk(KERN_ERR "PnP BIOS detection failed for " IDENT "\n"); snd_card_free(card); @@ -657,9 +658,9 @@ static int __devinit snd_cs423x_pnpc_detect(struct pnp_card_link *pcard, if (dev >= SNDRV_CARDS) return -ENODEV; - card = snd_cs423x_card_new(dev); - if (! card) - return -ENOMEM; + res = snd_cs423x_card_new(dev, &card); + if (res < 0) + return res; if ((res = snd_card_cs423x_pnpc(dev, card->private_data, pcard, pid)) < 0) { printk(KERN_ERR "isapnp detection failed and probing for " IDENT " is not supported\n"); |