linux-kernel - [PATCH 05/12] isdn: hisax: Fix pnp_irq's error checking for setup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <f2403583e53102816f05e18c983b6f47e5c4aecb.1510805781.git.arvind.yadav.cs@gmail.com>
Date:   Thu, 16 Nov 2017 09:57:22 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     isdn@...ux-pingi.de, davem@...emloft.net,
        stephen@...workplumber.org, johannes.berg@...el.com
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 05/12] isdn: hisax: Fix pnp_irq's error checking for setup_hfcsx

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@...il.com>
---
 drivers/isdn/hisax/hfc_sx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/hisax/hfc_sx.c b/drivers/isdn/hisax/hfc_sx.c
index 3aef8e1..99f5a93 100644
--- a/drivers/isdn/hisax/hfc_sx.c
+++ b/drivers/isdn/hisax/hfc_sx.c
@@ -1422,7 +1422,7 @@ int setup_hfcsx(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