Osier Yang 8a7dbdc344 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
(cherry picked from commit 2a3a725c33aba2046443d33eb473eb54517f61c8)
2013-10-03 10:35:19 +02:00
..
2012-12-07 14:21:25 +01:00
2013-02-22 17:35:59 +01:00