[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>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index 0ecbe4edbec1..aaa568a3806e 100644
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -363,7 +363,7 @@ static int card_resume(struct pnp_dev *dev)
 
 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 @@ int pnp_register_card_driver(struct pnp_card_driver * drv)
         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);