diff mbox series

[02/12] isdn: hisax: Fix pnp_irq's error checking for avm_pnp_setup

Message ID 14ab3ba543bf96791f5284e1ed16f48a2f460842.1510805781.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/avm_pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/isdn/hisax/avm_pci.c b/drivers/isdn/hisax/avm_pci.c
index daf3742..a18b605 100644
--- a/drivers/isdn/hisax/avm_pci.c
+++ b/drivers/isdn/hisax/avm_pci.c
@@ -805,7 +805,7 @@  static int avm_pnp_setup(struct IsdnCardState *cs)
 			cs->hw.avm.cfg_reg =
 				pnp_port_start(pnp_avm_d, 0);
 			cs->irq = pnp_irq(pnp_avm_d, 0);
-			if (!cs->irq) {
+			if (cs->irq == -1) {
 				printk(KERN_ERR "FritzPnP:No IRQ\n");
 				return (0);
 			}