From d48cc29ae75fb492f87a650bb8054db222de5d4c Mon Sep 17 00:00:00 2001 From: Arvind Yadav Date: Thu, 16 Nov 2017 09:57:28 +0530 Subject: [PATCH] isdn: hisax: Fix pnp_irq's error checking for setup_sedlbauer_isapnp The pnp_irq() function returns -1 if an error occurs. pnp_irq() error checking for zero is not correct. Signed-off-by: Arvind Yadav Signed-off-by: David S. Miller --- 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 f16a47bcef48..c0b97b893495 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); -- 2.30.2