[Xen-changelog] Cope if xenstore is down.

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

# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 1a1e3dcbbf19401bb13ff5f304bd2ab65f0af720
# Parent  26af50da86b77d4599680199e148a98a240ea88d
Cope if xenstore is down.

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

diff -r 26af50da86b7 -r 1a1e3dcbbf19 tools/xenstore/xenstore_control.c
--- a/tools/xenstore/xenstore_control.c Thu Mar  2 20:44:49 2006
+++ b/tools/xenstore/xenstore_control.c Thu Mar  2 20:45:13 2006
@@ -22,6 +22,11 @@
 
   xsh = xs_daemon_open();
 
+  if (xsh == NULL) {
+    fprintf(stderr, "Failed to contact Xenstored.\n");
+    return 1;
+  }
+
   xs_debug_command(xsh, argv[1], NULL, 0);
 
   xs_daemon_close(xsh);

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