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[win-pv-devel] [PATCH] Create, rather than open, the RequestKey



It's possible that, on upgrade, XENVBD is installed before XENBUS and so
the RequestKey may not exist.

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
 src/xenvbd/driver.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/xenvbd/driver.c b/src/xenvbd/driver.c
index 5a6d243..235b04f 100644
--- a/src/xenvbd/driver.c
+++ b/src/xenvbd/driver.c
@@ -148,7 +148,7 @@ __DriverGetFdo(
     return IsFdo;
 }
 
-#define MAXNAMELEN  128
+#define MAXNAMELEN  1024
 
 VOID
 DriverRequestReboot(
@@ -176,10 +176,10 @@ DriverRequestReboot(
                                 &Ansi[0]);
     ASSERT(NT_SUCCESS(status));
 
-    status = RegistryOpenSubKey(NULL,
-                                RequestKeyName,
-                                KEY_ALL_ACCESS,
-                                &RequestKey);
+    status = RegistryCreateSubKey(NULL,
+                                  RequestKeyName,
+                                  REG_OPTION_NON_VOLATILE,
+                                  &RequestKey);
     if (!NT_SUCCESS(status))
         goto fail2;
 
-- 
2.1.1


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