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isdn: hisax: Handle return value of pnp_irq and pnp_port_start

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pnp_irq() and pnp_port_start() can fail here and we must check
its return value.

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 09:57:24 +05:30 committed by David S. Miller
parent faa2efff3d
commit eb545c124a
1 changed files with 2 additions and 0 deletions
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2
drivers/isdn/hisax/hisax_fcpcipnp.c
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@ -940,6 +940,8 @@ static int fcpnp_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
}
adapter->io = pnp_port_start(pdev, 0);
adapter->irq = pnp_irq(pdev, 0);
if (!adapter->io || adapter->irq == -1)
goto err_free;
printk(KERN_INFO "hisax_fcpcipnp: found adapter %s at IO %#x irq %d\n",
(char *) dev_id->driver_data, adapter->io, adapter->irq);