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From:   Arvind Yadav <arvind.yadav.cs@gmail.com>
To:     isdn@linux-pingi.de, davem@davemloft.net,
        stephen@networkplumber.org, johannes.berg@intel.com
Cc:     linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH 06/12] isdn: hisax: Fix pnp_irq's error checking for setup_hfcs
Date:   Thu, 16 Nov 2017 09:57:23 +0530
Message-Id: <1372461dd91a1471b52a55207a527ce6580396b2.1510805781.git.arvind.yadav.cs@gmail.com>
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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>
---
 drivers/isdn/hisax/hfcscard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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);
-- 
1.9.1


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