Event: Fix Coverity error

Signed-off-by: Haomai Wang <haomaiwang@gmail.com>

diff --git a/src/msg/async/Event.cc b/src/msg/async/Event.cc
index 64d030eacbc7ea02ad564e0452886dba327b0369..6d2960f8a26c8fb6159049d336c45d9a7e30a900 100644 (file)
--- a/src/msg/async/Event.cc
+++ b/src/msg/async/Event.cc
@@ -39,7 +39,8 @@ class C_handle_notify : public EventCallback {
   C_handle_notify() {}
   void do_request(int fd_or_id) {
     char c[100];
-    assert(read(fd_or_id, c, 100));
+    int r = read(fd_or_id, c, 100);
+    assert(r > 0);
   }
 };