[IPV4]: Use kmemdup in net/ipv4/devinet.c

[mirror_ubuntu-artful-kernel.git] / net / ipv4 / devinet.c

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index a1b356c8aa593ba49420d70b70e315b2119a69ae..2fd899160f8590d59076e54b2fad98389dcb7d96 100644 (file)
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1564,12 +1564,12 @@ static void devinet_sysctl_register(struct in_device *in_dev,
 {
        int i;
        struct net_device *dev = in_dev ? in_dev->dev : NULL;
-       struct devinet_sysctl_table *t = kmalloc(sizeof(*t), GFP_KERNEL);
+       struct devinet_sysctl_table *t = kmemdup(&devinet_sysctl, sizeof(*t),
+                                                GFP_KERNEL);
        char *dev_name = NULL;
 
        if (!t)
                return;
-       memcpy(t, &devinet_sysctl, sizeof(*t));
        for (i = 0; i < ARRAY_SIZE(t->devinet_vars) - 1; i++) {
                t->devinet_vars[i].data += (char *)p - (char *)&ipv4_devconf;
                t->devinet_vars[i].de = NULL;