1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 14f5c53235fe..a54d4ef3fd35 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -57,6 +57,7 @@
 #endif
 #include <linux/delay.h>
 #include <linux/notifier.h>
+#include <linux/string.h>
 
 #include <net/sock.h>
 #include <net/snmp.h>
@@ -3437,7 +3438,7 @@ static void addrconf_sysctl_register(struct inet6_dev *idev, struct ipv6_devconf
          * by sysctl and we wouldn't want anyone to change it under our feet
          * (see SIOCSIFNAME).
          */     
-        dev_name = net_sysctl_strdup(dev_name);
+        dev_name = kstrdup(dev_name, GFP_KERNEL);
         if (!dev_name)
             goto free;