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-rw-r--r--drivers/isdn/hisax/niccy.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/isdn/hisax/niccy.c b/drivers/isdn/hisax/niccy.c
index e4c33cfe3ef4..dfbcd2eaa81a 100644
--- a/drivers/isdn/hisax/niccy.c
+++ b/drivers/isdn/hisax/niccy.c
@@ -261,7 +261,7 @@ int setup_niccy(struct IsdnCard *card)
card->para[1] = pnp_port_start(pnp_d, 0);
card->para[2] = pnp_port_start(pnp_d, 1);
card->para[0] = pnp_irq(pnp_d, 0);
- if (!card->para[0] || !card->para[1] ||
+ if (card->para[0] == -1 || !card->para[1] ||
!card->para[2]) {
printk(KERN_ERR "NiccyPnP:some resources are "
"missing %ld/%lx/%lx\n",