tools: negative error code, which is the normal case.

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

diff --git a/src/tools/RadosDump.cc b/src/tools/RadosDump.cc
index 542915e40e45827870d9b337b5d8f580ec020105..43ae78ff1c1f471ba40a2e2c69de6ee7b14f15bf 100644 (file)
--- a/src/tools/RadosDump.cc
+++ b/src/tools/RadosDump.cc
@@ -62,7 +62,7 @@ int RadosDump::get_footer(footer *f)
   bytes = ebl.read_fd(file_fd, sh.footer_size);
   if ((size_t)bytes != sh.footer_size) {
     cerr << "Unexpected EOF" << std::endl;
-    return EFAULT;
+    return -EFAULT;
   }
 
   f->decode(ebliter);