From f59de2770db9e2803d7dff6330e490479f44f419 Mon Sep 17 00:00:00 2001
From: Alexandre Ratchov <alex@caoua.org>
Date: Wed, 5 Mar 2014 20:09:34 +0100
Subject: [PATCH] check if writable preparing a DATA packet

---
 sndiod/sock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sndiod/sock.c b/sndiod/sock.c
index c413586..61ea320 100644
--- a/sndiod/sock.c
+++ b/sndiod/sock.c
@@ -1416,7 +1416,7 @@ sock_buildmsg(struct sock *f)
 	/*
 	 * If data available, build a DATA message.
 	 */
-	if (f->slot != NULL && f->slot->sub.buf.used > 0 && f->wmax > 0) {
+	if (f->slot != NULL && f->wmax > 0 && f->slot->sub.buf.used > 0) {
 		size = f->slot->sub.buf.used;
 		if (size > AMSG_DATAMAX)
 			size = AMSG_DATAMAX;