From: Ludovic Henry <ludovic@xamarin.com>
Date: Thu, 16 Feb 2017 01:56:49 +0000 (-0500)
Subject: [socket] Fix bad parameter passed to select (#4390)
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=mono.git;a=commitdiff_plain;h=b7f2b467d640bb619553c14711d31f7b4584f348

[socket] Fix bad parameter passed to select (#4390)

If fd is equals to FD_SETSIZE, then we pass (FD_SETSIZE + 1) as first parameter to select, making it return EINVAL.
---

diff --git a/mono/utils/mono-poll.c b/mono/utils/mono-poll.c
index 74d39ced0c0..d81b4eb9168 100755
--- a/mono/utils/mono-poll.c
+++ b/mono/utils/mono-poll.c
@@ -60,7 +60,7 @@ mono_poll (mono_pollfd *ufds, unsigned int nfds, int timeout)
 			return 1;
 		}
 #else
-		if (fd > FD_SETSIZE) {
+		if (fd >= FD_SETSIZE) {
 			ufds [i].revents = MONO_POLLNVAL;
 			return 1;
 		}