Librbd: fix return code of EventSocket init and notify

Signed-off-by: Haomai Wang <haomai@xsky.com>

diff --git a/src/common/event_socket.h b/src/common/event_socket.h
index 6e137b674a0520d1a54fe7ab24c035053d1dc2c1..36ebbcb3dcf1483ad33a2e3b88252d210eeab41a 100644 (file)
--- a/src/common/event_socket.h
+++ b/src/common/event_socket.h
@@ -36,7 +36,7 @@ class EventSocket {
         return 0;
       }
     }
-    return -1;
+    return -EINVAL;
   }
   int notify() {
     int ret;
@@ -48,6 +48,8 @@ class EventSocket {
         ret = write(socket, buf, 1);
         if (ret < 0)
           ret = -errno;
+        else
+          ret = 0;
       }
       case EVENT_SOCKET_TYPE_EVENTFD:
       {
@@ -55,6 +57,8 @@ class EventSocket {
         ret = write(socket, &value, sizeof (value));
         if (ret < 0)
           ret = -errno;
+        else
+          ret = 0;
       }
       default:
       {