lib: Fix CID 1405493 Error handling issues (CHECKED_RETURN)

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Apr 25 23:07:25 CEST 2017 on sn-devel-144

diff --git a/source3/lib/ctdbd_conn.c b/source3/lib/ctdbd_conn.c
index c629d3c31e62e7c029d2846f6fa23e05a244382f..053d1b57e719aea02d721d58418d5d4d0d986ba7 100644 (file)
--- a/source3/lib/ctdbd_conn.c
+++ b/source3/lib/ctdbd_conn.c
@@ -440,7 +440,12 @@ static int ctdb_read_req(struct ctdbd_connection *conn, uint32_t reqid,
  **/
 int ctdbd_setup_fde(struct ctdbd_connection *conn, struct tevent_context *ev)
 {
-       set_blocking(conn->fd, false);
+       int ret;
+
+       ret = set_blocking(conn->fd, false);
+       if (ret == -1) {
+               return errno;
+       }
 
        conn->fde = tevent_add_fd(ev,
                                  conn,