[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, 3 deletions

diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 000695c48583..6cabf6d8a751 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -906,13 +906,13 @@ struct sock *ax25_make_new(struct sock *osk, struct ax25_dev *ax25_dev)
         ax25->source_addr = oax25->source_addr;
 
         if (oax25->digipeat != NULL) {
-                if ((ax25->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
+                ax25->digipeat = kmemdup(oax25->digipeat, sizeof(ax25_digi),
+                                         GFP_ATOMIC);
+                if (ax25->digipeat == NULL) {
                         sk_free(sk);
                         ax25_cb_put(ax25);
                         return NULL;
                 }
-
-                memcpy(ax25->digipeat, oax25->digipeat, sizeof(ax25_digi));
         }
 
         sk->sk_protinfo = ax25;