crush: always return a value from crush_bucket_choose

Even when we encounter a corrupt bucket.  We still BUG().  This fixes
the warning

fs/ceph/crush/mapper.c: In function 'crush_choose':
fs/ceph/crush/mapper.c:352: warning: control may reach end of non-void function
'crush_bucket_choose' being inlined

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ceph/crush/mapper.c b/fs/ceph/crush/mapper.c
index c268393adfcb..54f3f402af60 100644
--- a/fs/ceph/crush/mapper.c
+++ b/fs/ceph/crush/mapper.c
@@ -253,7 +253,7 @@ static int crush_bucket_choose(struct crush_bucket *in, int x, int r)
                                            x, r);
         default:
                 BUG_ON(1);
-/*              return in->items[0] */;
+                return in->items[0];
         }
 }