[ALSA] check return code in pnp_register_card_driver()
Signed-off-by: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index 0ecbe4e..aaa568a 100644
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -363,7 +363,7 @@
int pnp_register_card_driver(struct pnp_card_driver * drv)
{
- int count = 0;
+ int count;
struct list_head *pos, *temp;
drv->link.name = drv->name;
@@ -374,10 +374,15 @@
drv->link.suspend = drv->suspend ? card_suspend : NULL;
drv->link.resume = drv->resume ? card_resume : NULL;
+ count = pnp_register_driver(&drv->link);
+ if (count < 0)
+ return count;
+
spin_lock(&pnp_lock);
list_add_tail(&drv->global_list, &pnp_card_drivers);
spin_unlock(&pnp_lock);
- pnp_register_driver(&drv->link);
+
+ count = 0;
list_for_each_safe(pos,temp,&pnp_cards){
struct pnp_card *card = list_entry(pos, struct pnp_card, global_list);