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isdn: hisax: Fix pnp_irq's error checking for setup_isurf

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arvind Yadav 2017-11-16 09:57:25 +05:30 committed by David S. Miller
parent eb545c124a
commit 56cdb919f7
1 changed files with 1 additions and 1 deletions
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2
drivers/isdn/hisax/isurf.c
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@ -238,7 +238,7 @@ int setup_isurf(struct IsdnCard *card)
cs->hw.isurf.reset = pnp_port_start(pnp_d, 0);
cs->hw.isurf.phymem = pnp_mem_start(pnp_d, 1);
cs->irq = pnp_irq(pnp_d, 0);
if (!cs->irq || !cs->hw.isurf.reset || !cs->hw.isurf.phymem) {
if (cs->irq == -1 || !cs->hw.isurf.reset || !cs->hw.isurf.phymem) {
printk(KERN_ERR "ISurfPnP:some resources are missing %d/%x/%lx\n",
cs->irq, cs->hw.isurf.reset, cs->hw.isurf.phymem);
pnp_disable_dev(pnp_d);