evas cserve2 - check return of fcntl

fix CID 1039707

diff --git a/src/bin/evas/evas_cserve2_debug.c b/src/bin/evas/evas_cserve2_debug.c
index 9534fd6202ea036ce8a958a3fa3ea34acafa53c6..7f879ddb79d231f20325135e7d5a5bcd29fc9ec5 100644 (file)
--- a/src/bin/evas/evas_cserve2_debug.c
+++ b/src/bin/evas/evas_cserve2_debug.c
@@ -79,7 +79,7 @@ _server_connect(void)
         return EINA_FALSE;
      }
 
-   fcntl(s, F_SETFL, O_NONBLOCK);
+   if (fcntl(s, F_SETFL, O_NONBLOCK) < 0) ERR("fcntl failed");
 
    socketfd = s;