* [PATCH 2.6 3/7]: Fix free_netdev after failed alloc_netdev in ipgre_init
@ 2004-10-03 21:12 Patrick McHardy
0 siblings, 0 replies; only message in thread
From: Patrick McHardy @ 2004-10-03 21:12 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev
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Passing a NULL-ptr to free_netdev is wrong.
[-- Attachment #2: 03.diff --]
[-- Type: text/x-patch, Size: 1225 bytes --]
# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
# 2004/10/03 20:39:25+02:00 kaber@coreworks.de
# [IPV4]: Fix free_netdev after failed alloc_netdev in ipgre_init
#
# Signed-off-by: Patrick McHardy <kaber@trash.net>
#
# net/ipv4/ip_gre.c
# 2004/10/03 20:38:45+02:00 kaber@coreworks.de +6 -5
# [IPV4]: Fix free_netdev after failed alloc_netdev in ipgre_init
#
# Signed-off-by: Patrick McHardy <kaber@trash.net>
#
diff -Nru a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
--- a/net/ipv4/ip_gre.c 2004-10-03 22:19:31 +02:00
+++ b/net/ipv4/ip_gre.c 2004-10-03 22:19:31 +02:00
@@ -1250,7 +1250,7 @@
static int __init ipgre_init(void)
{
- int err = -EINVAL;
+ int err;
printk(KERN_INFO "GRE over IPv4 tunneling driver\n");
@@ -1263,18 +1263,19 @@
ipgre_tunnel_setup);
if (!ipgre_fb_tunnel_dev) {
err = -ENOMEM;
- goto fail;
+ goto err1;
}
ipgre_fb_tunnel_dev->init = ipgre_fb_tunnel_init;
if ((err = register_netdev(ipgre_fb_tunnel_dev)))
- goto fail;
+ goto err2;
out:
return err;
-fail:
- inet_del_protocol(&ipgre_protocol, IPPROTO_GRE);
+err2:
free_netdev(ipgre_fb_tunnel_dev);
+err1:
+ inet_del_protocol(&ipgre_protocol, IPPROTO_GRE);
goto out;
}
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2004-10-03 21:12 [PATCH 2.6 3/7]: Fix free_netdev after failed alloc_netdev in ipgre_init Patrick McHardy
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