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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 02/12] isdn: hisax: Fix pnp_irq's error checking for avm_pnp_setup
Date:   Thu, 16 Nov 2017 09:57:19 +0530
Message-Id: <14ab3ba543bf96791f5284e1ed16f48a2f460842.1510805781.git.arvind.yadav.cs@gmail.com>
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References: <cover.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/avm_pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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);
 			}
-- 
1.9.1


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