From: mikeb <mikeb@openbsd.org>
Date: Fri, 29 Jul 2016 21:05:26 +0000 (+0000)
Subject: Loop until we've read all available responses
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=55f4ff3de7886f674d9baf99ebdb78ee57c506be;p=openbsd

Loop until we've read all available responses
---

diff --git a/sys/dev/pv/xenstore.c b/sys/dev/pv/xenstore.c
index c4647cfe3d2..b3c2ee9ac18 100644
--- a/sys/dev/pv/xenstore.c
+++ b/sys/dev/pv/xenstore.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: xenstore.c,v 1.28 2016/04/19 18:15:41 mikeb Exp $	*/
+/*	$OpenBSD: xenstore.c,v 1.29 2016/07/29 21:05:26 mikeb Exp $	*/
 
 /*
  * Copyright (c) 2015 Mike Belopuhov
@@ -530,6 +530,7 @@ xs_intr(void *arg)
 
 	/* Response processing */
 
+ again:
 	if (xs->xs_rmsg == NULL) {
 		if (avail < sizeof(xmh)) {
 			printf("%s: incomplete header: %d\n",
@@ -597,6 +598,9 @@ xs_intr(void *arg)
 		}
 	}
 
+	if ((avail = xs_ring_avail(xsr, 0)) > 0)
+		goto again;
+
  out:
 	/* Wakeup sleeping writes (if any) */
 	wakeup(xs->xs_wchan);