[PATCH] Check for null init_early routine

Add a check for a null ppc_md.init_early to allow platforms that
don't require an init_early routine to just set this member to null.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ae6b67ce54e7..2fef772edfc1 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -380,7 +380,8 @@ void __init setup_system(void)
          * setting up the hash table pointers. It also sets up some interrupt-mapping
          * related options that will be used by finish_device_tree()
          */
-        ppc_md.init_early();
+        if (ppc_md.init_early)
+                ppc_md.init_early();
 
         /*
          * We can discover serial ports now since the above did setup the