From 3320af26e1aa8568bd19c755abbfa51e47ccc1e1 Mon Sep 17 00:00:00 2001
From: Christian Beer <christian.beer@aei.mpg.de>
Date: Wed, 4 Nov 2015 16:34:53 +0100
Subject: [PATCH] Lib: check return value of select()

fixes CID 27700 found by Coverity
---
 lib/gui_rpc_client.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/gui_rpc_client.cpp b/lib/gui_rpc_client.cpp
index d37cfa1c80..0c159aad6c 100644
--- a/lib/gui_rpc_client.cpp
+++ b/lib/gui_rpc_client.cpp
@@ -204,7 +204,10 @@ int RPC_CLIENT::init_poll() {
     BOINCTRACE("init_poll(): sock = %d\n", sock);
 
     tv.tv_sec = tv.tv_usec = 0;
-    select(FD_SETSIZE, &read_fds, &write_fds, &error_fds, &tv);
+    if (-1 == select(FD_SETSIZE, &read_fds, &write_fds, &error_fds, &tv)) {
+        BOINCTRACE("init_poll(): select(): %s (%d)\n", strerror(errno), errno);
+        return ERR_SELECT;
+    }
     retval = 0;
     if (FD_ISSET(sock, &error_fds)) {
         retval =  ERR_CONNECT;