msg/async/Event.cc: reduce scope of variable

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

diff --git a/src/msg/async/Event.cc b/src/msg/async/Event.cc
index 00abef4fa0228a0fe22ad6cd5cc692f90f18e110..a3a6361cc838a850f6ffe329512bfde7699269f9 100644 (file)
--- a/src/msg/async/Event.cc
+++ b/src/msg/async/Event.cc
@@ -41,10 +41,9 @@ class C_handle_notify : public EventCallback {
   C_handle_notify(EventCenter *c, CephContext *cc): center(c), cct(cc) {}
   void do_request(int fd_or_id) {
     char c[256];
-    int r;
     do {
       center->already_wakeup.set(0);
-      r = read(fd_or_id, c, sizeof(c));
+      int r = read(fd_or_id, c, sizeof(c));
       if (r < 0) {
         ldout(cct, 1) << __func__ << " read notify pipe failed: " << cpp_strerror(errno) << dendl;
         break;