Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH 07/12] isdn: hisax: Handle return value of pnp_irq and pnp_port_start | Date | Thu, 16 Nov 2017 09:57:24 +0530 |
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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> --- drivers/isdn/hisax/hisax_fcpcipnp.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.c b/drivers/isdn/hisax/hisax_fcpcipnp.c index e4f7573..7a7137d 100644 --- a/drivers/isdn/hisax/hisax_fcpcipnp.c +++ b/drivers/isdn/hisax/hisax_fcpcipnp.c @@ -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); -- 1.9.1
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