[VOL-3930] Using a shared lock for Resource acquisition and release

Change-Id: Ibf6346135380ab14d0c89f0e2945ebefdee1b4f9
diff --git a/go.sum b/go.sum
index 13bf2f6..b1059c6 100644
--- a/go.sum
+++ b/go.sum
@@ -142,8 +142,8 @@
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/opencord/voltha-lib-go/v4 v4.1.0 h1:Ba6w5bv36oYrzqfK96f42+hSEMkukwIjpdBWPztLY1g=
-github.com/opencord/voltha-lib-go/v4 v4.1.0/go.mod h1:K7lDkSkJ97EyfvX8fQtBmBvpj7n6MmwnAtD8Jz79HcQ=
+github.com/opencord/voltha-lib-go/v4 v4.1.1 h1:vGpFMoydXOCncyX7Ytmffd0m4kO1SH15AB0NdyFiF/Q=
+github.com/opencord/voltha-lib-go/v4 v4.1.1/go.mod h1:K7lDkSkJ97EyfvX8fQtBmBvpj7n6MmwnAtD8Jz79HcQ=
 github.com/opencord/voltha-protos/v4 v4.0.12 h1:x8drb8inaUByjVLFbXSiQwRTU//dfde0MKIHyKb1JMw=
 github.com/opencord/voltha-protos/v4 v4.0.12/go.mod h1:W/OIFIyvFh/C0vchRUuarIsMylEhzCRM9pNxLvkPtKc=
 github.com/opencord/voltha-protos/v4 v4.0.15 h1:TOKYlt/75w5pxT44HeYfo2kqKvqmHzVpUkiCHOMJTN8=