[Xen-changelog] [xen-unstable] xl: fix off-by-one mistake in block-attach handler

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

# HG changeset patch
# User Jan Beulich <jbeulich@xxxxxxxxxx>
# Date 1285087143 -3600
# Node ID 968ac95c960f6507c85529c0cb3dc9d096ffc9a2
# Parent  206e25c65694ba3af6f8171419d192b064a77b01
xl: fix off-by-one mistake in block-attach handler

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 206e25c65694 -r 968ac95c960f tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c  Tue Sep 21 16:41:09 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c  Tue Sep 21 17:39:03 2010 +0100
@@ -4282,7 +4282,7 @@ int main_blockattach(int argc, char **ar
     }
     disk.virtpath = argv[optind+2];
     disk.unpluggable = 1;
-    disk.readwrite = ((argc-optind <= 2) || (argv[optind+3][0] == 'w'));
+    disk.readwrite = ((argc-optind <= 3) || (argv[optind+3][0] == 'w'));
 
     if (domain_qualifier_to_domid(argv[optind], &fe_domid, 0) < 0) {
         fprintf(stderr, "%s is an invalid domain identifier\n", argv[optind]);

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