[PATCH 09/12] isdn: hisax: Fix pnp_irq's error checking for setup_ix1micro

From: Arvind Yadav
Date: Wed Nov 15 2017 - 23:30:45 EST


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@xxxxxxxxx>
---
drivers/isdn/hisax/ix1_micro.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/hisax/ix1_micro.c b/drivers/isdn/hisax/ix1_micro.c
index 7ae39f5..bfb79f3 100644
--- a/drivers/isdn/hisax/ix1_micro.c
+++ b/drivers/isdn/hisax/ix1_micro.c
@@ -256,7 +256,7 @@ int setup_ix1micro(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 "ITK PnP:some resources are missing %ld/%lx\n",
card->para[0], card->para[1]);
pnp_disable_dev(pnp_d);
--
1.9.1