[PATCH 11/12] isdn: hisax: Fix pnp_irq's error checking for setup_sedlbauer_isapnp

From: Arvind Yadav
Date: Wed Nov 15 2017 - 23:31:09 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/sedlbauer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/hisax/sedlbauer.c b/drivers/isdn/hisax/sedlbauer.c
index f16a47b..c0b97b8 100644
--- a/drivers/isdn/hisax/sedlbauer.c
+++ b/drivers/isdn/hisax/sedlbauer.c
@@ -558,7 +558,7 @@ static int setup_sedlbauer_isapnp(struct IsdnCard *card, int *bytecnt)
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 "Sedlbauer PnP:some resources are missing %ld/%lx\n",
card->para[0], card->para[1]);
pnp_disable_dev(pnp_d);
--
1.9.1