From 84dcc16c52baa3a75860bc26a16a4b5d96bb6936 Mon Sep 17 00:00:00 2001
From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Thu, 16 Nov 2017 09:57:18 +0530
Subject: [PATCH] isdn: hisax: Fix pnp_irq's error checking for setup_asuscom
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.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
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 62f9c43e2377b..74c871495e814 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);
--
2.30.2