diff mbox series

[06/12] isdn: hisax: Fix pnp_irq's error checking for setup_hfcs

Message ID 1372461dd91a1471b52a55207a527ce6580396b2.1510805781.git.arvind.yadav.cs@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series isdn: hisax: Fix pnp_irq's error checking | expand

Commit Message

Arvind Yadav Nov. 16, 2017, 4:27 a.m. UTC 
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>
---
 drivers/isdn/hisax/hfcscard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

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);