libradosstriper: do not assign garbage to returned value

if `rc` is not zero, the returned `ssize` is either garbage or
undefined. this silences warning from clang analyzer:

Assigned value is garbage or undefined

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/libradosstriper/RadosStriperImpl.cc b/src/libradosstriper/RadosStriperImpl.cc
index ea3be3b145c69da0ca212c6925f8810e382593bf..47c36fd3aa62cb8a2876f40fe256575b73bd8569 100644 (file)
--- a/src/libradosstriper/RadosStriperImpl.cc
+++ b/src/libradosstriper/RadosStriperImpl.cc
@@ -1169,10 +1169,13 @@ int libradosstriper::RadosStriperImpl::internal_get_layout_and_size(
   // deal with size
   size_t ssize;
   rc = extract_sizet_attr(attrs, XATTR_SIZE, &ssize);
+  if (rc) {
+    return rc;
+  }
   *size = ssize;
   // make valgrind happy by setting unused fl_pg_pool
   layout->fl_pg_pool = 0;
-  return rc;
+  return 0;
 }
 
 int libradosstriper::RadosStriperImpl::openStripedObjectForRead(