[Xen-changelog] Silence the messages that are emitted when removing nodes that already have

[Xen patchbot -3.0-testing <patchbot-3.0-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 2142adf67d6a62fbcb70388bbbcb591d438cfa17
# Parent  0017df50cc87d2f29ba924ab422943ffd8f17465
Silence the messages that are emitted when removing nodes that already have
been removed.  This is fine, in a cleanup script.

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

diff -r 0017df50cc87 -r 2142adf67d6a tools/examples/xen-hotplug-cleanup
--- a/tools/examples/xen-hotplug-cleanup        Wed Mar  8 22:56:49 2006
+++ b/tools/examples/xen-hotplug-cleanup        Wed Mar  8 22:56:55 2006
@@ -12,10 +12,11 @@
 claim_lock "block"
 
 # remove device frontend store entries
-xenstore-rm -t $(xenstore-read "$XENBUS_PATH/frontend") || true
+xenstore-rm -t \
+  $(xenstore-read "$XENBUS_PATH/frontend" 2>/dev/null) 2>/dev/null || true
 
 # remove device backend store entries
-xenstore-rm -t "$XENBUS_PATH"       || true
-xenstore-rm -t "error/$XENBUS_PATH" || true
+xenstore-rm -t "$XENBUS_PATH"        2>/dev/null || true
+xenstore-rm -t "error/$XENBUS_PATH"  2>/dev/null || true
 
 release_lock "block"

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