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

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

diff --git a/src/msg/async/EventKqueue.cc b/src/msg/async/EventKqueue.cc
index 798545ed0a0d1d354a2d88ecca1087a6e7b18887..54fef5f22de4460504896cc7e15b5fb3e70ea89b 100644 (file)
--- a/src/msg/async/EventKqueue.cc
+++ b/src/msg/async/EventKqueue.cc
@@ -71,11 +71,11 @@ int KqueueDriver::del_event(int fd, int cur_mask, int delmask)
                  << " delmask=" << delmask << dendl;
   struct kevent ke;
   int filter = 0;
-  int r = 0;
   filter |= (delmask & EVENT_READABLE) ? EVFILT_READ : 0;
   filter |= (delmask & EVENT_WRITABLE) ? EVFILT_WRITE : 0;
 
   if (filter) {
+    int r = 0;
     EV_SET(&ke, fd, filter, EV_DELETE, 0, 0, NULL);
     if ((r = kevent(kqfd, &ke, 1, NULL, 0, NULL)) < 0) {
       lderr(cct) << __func__ << " kevent: delete fd=" << fd << " mask=" << filter