=== modified file 'common-session.c'
--- common-session.c	2014-01-29 17:44:42 +0000
+++ common-session.c	2015-09-18 03:44:33 +0000
@@ -187,12 +187,7 @@
 		/* check for auth timeout, rekeying required etc */
 		checktimeouts();
 
-		/* process session socket's incoming/outgoing data */
-		if (ses.sock_out != -1) {
-			if (FD_ISSET(ses.sock_out, &writefd) && !isempty(&ses.writequeue)) {
-				write_packet();
-			}
-		}
+		/* process session socket's incoming data */
 
 		if (ses.sock_in != -1) {
 			if (FD_ISSET(ses.sock_in, &readfd)) {
@@ -220,6 +215,11 @@
 		if (ses.dataallowed) {
 			channelio(&readfd, &writefd);
 		}
+                if (ses.sock_out != -1) {
+			if (!isempty(&ses.writequeue)) {
+				write_packet();
+			}
+                }
 
 		if (loophandler) {
 			loophandler();