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...@gmail.com> --- drivers/isdn/hisax/hfcscard.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/isdn/hisax/hfcscard.c b/drivers/isdn/hisax/hfcscard.c index 4672870..3cbde72 100644 --- a/drivers/isdn/hisax/hfcscard.c +++ b/drivers/isdn/hisax/hfcscard.c @@ -195,7 +195,7 @@ int setup_hfcs(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 "HFC PnP:some resources are missing %ld/%lx\n", card->para[0], card->para[1]); pnp_disable_dev(pnp_d); -- 1.9.1