From 2a3a725c33aba2046443d33eb473eb54517f61c8 Mon Sep 17 00:00:00 2001
From: Osier Yang <jyang@redhat.com>
Date: Fri, 24 May 2013 11:59:14 +0800
Subject: [PATCH] virsh: Fix regression of vol-resize

Introduced by commit 1daa4ba33acf. vshCommandOptStringReq returns
0 on *success* or the option is not required && not present, both
are right result. Error out when returning 0 is not correct.
the caller, it doesn't have to check wether it
---
 tools/virsh-volume.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/virsh-volume.c b/tools/virsh-volume.c
index a222cca62e..e16a3852ce 100644
--- a/tools/virsh-volume.c
+++ b/tools/virsh-volume.c
@@ -1076,7 +1076,7 @@ cmdVolResize(vshControl *ctl, const vshCmd *cmd)
     if (!(vol = vshCommandOptVol(ctl, cmd, "vol", "pool", NULL)))
         return false;
 
-    if (vshCommandOptStringReq(ctl, cmd, "capacity", &capacityStr) <= 0)
+    if (vshCommandOptStringReq(ctl, cmd, "capacity", &capacityStr) < 0)
         goto cleanup;
     virSkipSpaces(&capacityStr);
     if (*capacityStr == '-') {