rbd/cls_rbd: silence compiler warnings

Signed-off-by: xiexingguo <xie.xingguo@zte.com.cn>

diff --git a/src/cls/rbd/cls_rbd.cc b/src/cls/rbd/cls_rbd.cc
index 29754f18d340b12e41437c6e893b3276f3c8dbb6..ac2cb348879fa9c27d70adb189a847f00e15dc2c 100644 (file)
--- a/src/cls/rbd/cls_rbd.cc
+++ b/src/cls/rbd/cls_rbd.cc
@@ -1496,7 +1496,7 @@ int get_data_pool(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
 {
   CLS_LOG(20, "get_data_pool");
 
-  int64_t data_pool_id;
+  int64_t data_pool_id = -1;
   int r = read_key(hctx, "data_pool_id", &data_pool_id);
   if (r == -ENOENT) {
     data_pool_id = -1;