rbd.cc: fix -Wreturn-type, return result from do_metadata_remove()

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/rbd.cc b/src/rbd.cc
index 39acdbe1979744cfc0df71eac495ffc4059251a6..0b3785606a2c32fef4ae721ae090e590a1e9cb44 100755 (executable)
--- a/src/rbd.cc
+++ b/src/rbd.cc
@@ -2311,6 +2311,7 @@ static int do_metadata_remove(librbd::Image& image, const char *key)
   if (r < 0) {
     cerr << "failed to remove metadata " << key << " of image : " << cpp_strerror(r) << std::endl;
   }
+  return r;
 }
 
 static int do_metadata_get(librbd::Image& image, const char *key)