netdev - [PATCH 3/7] net: core: eliminate dev_alloc_name{,

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: <20171112231511.4666-4-linux@rasmusvillemoes.dk>
Date:   Mon, 13 Nov 2017 00:15:06 +0100
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/7] net: core: eliminate dev_alloc_name{,_ns} code duplication

dev_alloc_name contained a BUG_ON(), which I moved to dev_alloc_name_ns;
the only other caller of that already has the same BUG_ON.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 net/core/dev.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 240ae6bc1097..1077bfe97bde 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1112,6 +1112,7 @@ static int dev_alloc_name_ns(struct net *net,
 	char buf[IFNAMSIZ];
 	int ret;
 
+	BUG_ON(!net);
 	ret = __dev_alloc_name(net, name, buf);
 	if (ret >= 0)
 		strlcpy(dev->name, buf, IFNAMSIZ);
@@ -1134,16 +1135,7 @@ static int dev_alloc_name_ns(struct net *net,
 
 int dev_alloc_name(struct net_device *dev, const char *name)
 {
-	char buf[IFNAMSIZ];
-	struct net *net;
-	int ret;
-
-	BUG_ON(!dev_net(dev));
-	net = dev_net(dev);
-	ret = __dev_alloc_name(net, name, buf);
-	if (ret >= 0)
-		strlcpy(dev->name, buf, IFNAMSIZ);
-	return ret;
+	return dev_alloc_name_ns(dev_net(dev), dev, name);
 }
 EXPORT_SYMBOL(dev_alloc_name);
 
-- 
2.11.0