[PATCH] PNP: adjust pnp_register_card_driver() signature: azt2320
Remove the assumption that pnp_register_card_driver() returns the
number of devices claimed.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Jaroslav Kysela <perex@suse.cz>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/sound/isa/azt2320.c b/sound/isa/azt2320.c
index a530691..15e5928 100644
--- a/sound/isa/azt2320.c
+++ b/sound/isa/azt2320.c
@@ -310,6 +310,8 @@
return 0;
}
+static unsigned int __devinitdata azt2320_devices;
+
static int __devinit snd_azt2320_pnp_detect(struct pnp_card_link *card,
const struct pnp_card_device_id *id)
{
@@ -323,6 +325,7 @@
if (res < 0)
return res;
dev++;
+ azt2320_devices++;
return 0;
}
return -ENODEV;
@@ -372,10 +375,13 @@
static int __init alsa_card_azt2320_init(void)
{
- int cards;
+ int err;
- cards = pnp_register_card_driver(&azt2320_pnpc_driver);
- if (cards <= 0) {
+ err = pnp_register_card_driver(&azt2320_pnpc_driver);
+ if (err)
+ return err;
+
+ if (!azt2320_devices) {
pnp_unregister_card_driver(&azt2320_pnpc_driver);
#ifdef MODULE
snd_printk(KERN_ERR "no AZT2320 based soundcards found\n");