[Xen-changelog] Use new do_without_error function to squelch the errors when closing down an

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 2b09e58cb1088104c1a3425c49cfd386fc04587c
# Parent  a12bd9e8fdf8bb647c6834a441f81d88b6adccc5
Use new do_without_error function to squelch the errors when closing down an
interface.

Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>

diff -r a12bd9e8fdf8 -r 2b09e58cb108 tools/examples/vif-bridge
--- a/tools/examples/vif-bridge Fri Dec  9 10:50:26 2005
+++ b/tools/examples/vif-bridge Fri Dec  9 10:50:49 2005
@@ -61,9 +61,8 @@
         ;;
 
     offline)
-        brctl delif "$bridge" "$vif" ||
-          log debug "brctl delif $bridge $vif failed"
-        ifconfig "$vif" down || log debug "ifconfig $vif down failed"
+        do_without_error brctl delif "$bridge" "$vif"
+        do_without_error ifconfig "$vif" down
         ;;
 esac
 

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