The pnp_irq() function returns -1 if an error occurs.
pnp_irq() error checking for zero is not correct.

Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
---
 drivers/isdn/hisax/asuscom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/hisax/asuscom.c b/drivers/isdn/hisax/asuscom.c
index 62f9c43..74c8714 100644
--- a/drivers/isdn/hisax/asuscom.c
+++ b/drivers/isdn/hisax/asuscom.c
@@ -348,7 +348,7 @@ int setup_asuscom(struct IsdnCard *card)
                                        }
                                        card->para[1] = pnp_port_start(pnp_d, 
0);
                                        card->para[0] = pnp_irq(pnp_d, 0);
-                                       if (!card->para[0] || !card->para[1]) {
+                                       if (card->para[0] == -1 || 
!card->para[1]) {
                                                printk(KERN_ERR "AsusPnP:some 
resources are missing %ld/%lx\n",
                                                       card->para[0], 
card->para[1]);
                                                pnp_disable_dev(pnp_d);
-- 
1.9.1

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