crush: fix CrushCompiler warning

warning: crush/CrushCompiler.cc:595: ‘r’ may be used uninitialized in this function

Signed-off-by: Sage Weil <sage.weil@dreamhost.com>

diff --git a/src/crush/CrushCompiler.cc b/src/crush/CrushCompiler.cc
index cc2275c4adc3ca455518545a5b4d5bcb99d1e4fa..fc6e6e8856bf1885327b2d891c139066d795d0d4 100644 (file)
--- a/src/crush/CrushCompiler.cc
+++ b/src/crush/CrushCompiler.cc
@@ -592,7 +592,7 @@ int CrushCompiler::parse_crush(iter_t const& i)
 { 
   find_used_bucket_ids(i);
 
-  int r;
+  int r = 0;
   for (iter_t p = i->children.begin(); p != i->children.end(); p++) {
     switch (p->value.id().to_long()) {
     case crush_grammar::_device: