From 0d5bcfc9974ad8ce0fc77a95a53ab704faa0dfb7 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 31 May 2018 09:25:07 +0300
Subject: [PATCH] ALSA: xen-front: fix a loop timeout
We want the loop to exit when "to" is set to zero, but in the current
code it's set to -1. Also I tweaked the indenting so it doesn't look
like we're passing "--to" to xenbus_read_unsigned().
Fixes: cc3196ae197c ("ALSA: xen-front: Introduce Xen para-virtualized sound frontend driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/xen/xen_snd_front.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/xen/xen_snd_front.c b/sound/xen/xen_snd_front.c
index c18973a9bc9b..b089b13b5160 100644
--- a/sound/xen/xen_snd_front.c
+++ b/sound/xen/xen_snd_front.c
@@ -334,7 +334,7 @@ static int xen_drv_remove(struct xenbus_device *dev)
*/
while ((xenbus_read_unsigned(front_info->xb_dev->otherend, "state",
XenbusStateUnknown) != XenbusStateInitWait) &&
- to--)
+ --to)
msleep(10);
if (!to) {