[PATCH] powerpc: hot_add_scn_to_nid() build fix

The return statement is to prevent `warning: 'nid' might be used uninitialized
in this function'.

Cc: Nathan Lynch <nathanl@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index e89b22aa539e..0a335f34974c 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -756,6 +756,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
         struct device_node *memory = NULL;
         nodemask_t nodes;
         int default_nid = any_online_node(NODE_MASK_ALL);
+        int nid;
 
         if (!numa_enabled || (min_common_depth < 0))
                 return default_nid;
@@ -790,6 +791,7 @@ ha_new_range:
                         goto ha_new_range;
         }
         BUG();  /* section address should be found above */
+        return 0;
 
         /* Temporary code to ensure that returned node is not empty */
 got_nid: