netdev - [PATCH 1/17 net-2.6.26] [IPV4]: Remove ifa != NULL check.

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: <1203406297-32725-1-git-send-email-den@openvz.org>
Date:	Tue, 19 Feb 2008 10:31:21 +0300
From:	"Denis V. Lunev" <den@...nvz.org>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, containers@...ts.osdl.org,
	devel@...nvz.org, "Denis V. Lunev" <den@...nvz.org>
Subject: [PATCH 1/17 net-2.6.26] [IPV4]: Remove ifa != NULL check.

This is a callback registered to inet address notifier chain.
The check is useless as:
- ifa is always != NULL
- similar checks are abscent in all other notifiers.

Signed-off-by: Denis V. Lunev <den@...nvz.org>
---
 drivers/net/via-velocity.c |   22 ++++++++++------------
 1 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index cc0addb..c50fdee 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -3460,21 +3460,19 @@ static int velocity_resume(struct pci_dev *pdev)
 static int velocity_netdev_event(struct notifier_block *nb, unsigned long notification, void *ptr)
 {
 	struct in_ifaddr *ifa = (struct in_ifaddr *) ptr;
+	struct net_device *dev = ifa->ifa_dev->dev;
+	struct velocity_info *vptr;
+	unsigned long flags;
 
-	if (ifa) {
-		struct net_device *dev = ifa->ifa_dev->dev;
-		struct velocity_info *vptr;
-		unsigned long flags;
-
-		spin_lock_irqsave(&velocity_dev_list_lock, flags);
-		list_for_each_entry(vptr, &velocity_dev_list, list) {
-			if (vptr->dev == dev) {
-				velocity_get_ip(vptr);
-				break;
-			}
+	spin_lock_irqsave(&velocity_dev_list_lock, flags);
+	list_for_each_entry(vptr, &velocity_dev_list, list) {
+		if (vptr->dev == dev) {
+			velocity_get_ip(vptr);
+			break;
 		}
-		spin_unlock_irqrestore(&velocity_dev_list_lock, flags);
 	}
+	spin_unlock_irqrestore(&velocity_dev_list_lock, flags);
+
 	return NOTIFY_DONE;
 }
 
-- 
1.5.3.rc5

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html