1 files changed, 2 insertions, 1 deletions
diff --git a/src/util.cc b/src/util.cc
index 287debc..483f4a6 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -353,7 +353,8 @@ int ReadFile(const string& path, string* contents, string* err) {
     if (!::ReadFile(f, buf, sizeof(buf), &len, NULL)) {
       err->assign(GetLastErrorString());
       contents->clear();
-      return -1;
+      ::CloseHandle(f);
+      return -EIO;
     }
     if (len == 0)
       break;