[AX25]: Use kmemdup

Code diff stats:

[acme@newtoy net-2.6.20]$ codiff /tmp/ax25.ko.before /tmp/ax25.ko.after
/pub/scm/linux/kernel/git/acme/net-2.6.20/net/ax25/ax25_out.c:
  ax25_send_frame |   -8
 1 function changed, 8 bytes removed

/pub/scm/linux/kernel/git/acme/net-2.6.20/net/ax25/ax25_route.c:
  ax25_rt_autobind |  -15
 1 function changed, 15 bytes removed

/pub/scm/linux/kernel/git/acme/net-2.6.20/net/ax25/af_ax25.c:
  ax25_make_new |  -33
 1 function changed, 33 bytes removed

/pub/scm/linux/kernel/git/acme/net-2.6.20/net/ax25/sysctl_net_ax25.c:
  ax25_register_sysctl |  -21
 1 function changed, 21 bytes removed

/tmp/ax25.ko.after:
 4 functions changed, 77 bytes removed
[acme@newtoy net-2.6.20]$

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
index 867d42537979..d23a27f25d2f 100644
--- a/net/ax25/sysctl_net_ax25.c
+++ b/net/ax25/sysctl_net_ax25.c
@@ -209,7 +209,9 @@ void ax25_register_sysctl(void)
         }
 
         for (n = 0, ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) {
-                ctl_table *child = kmalloc(sizeof(ax25_param_table), GFP_ATOMIC);
+                struct ctl_table *child = kmemdup(ax25_param_table,
+                                                  sizeof(ax25_param_table),
+                                                  GFP_ATOMIC);
                 if (!child) {
                         while (n--)
                                 kfree(ax25_table[n].child);
@@ -217,7 +219,6 @@ void ax25_register_sysctl(void)
                         spin_unlock_bh(&ax25_dev_lock);
                         return;
                 }
-                memcpy(child, ax25_param_table, sizeof(ax25_param_table));
                 ax25_table[n].child = ax25_dev->systable = child;
                 ax25_table[n].ctl_name     = n + 1;
                 ax25_table[n].procname     = ax25_dev->dev->name;