[Xen-changelog] Fix xenbus userspace device transaction tracking.

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

# HG changeset patch
# User cl349@xxxxxxxxxxxxxxxxxxxx
# Node ID 7b6358566d49300ec9b22d2d7537c310ce4ca0f1
# Parent  c6fee5f7c83834fab2409975fc383643a3c3787d
Fix xenbus userspace device transaction tracking.
If a transaction end command fails, the semaphore which keeps track
of whether we're in a transaction or not was not getting updated.

Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>
xen-unstable changeset: 9921:bbce4d11518910328380f6a3325268acfa5b3aff
xen-unstable date: Thu May  4 10:25:27 2006 +0100

diff -r c6fee5f7c838 -r 7b6358566d49 
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c       Tue May 02 
17:24:29 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c       Thu May 04 
10:34:27 2006 +0100
@@ -183,7 +183,7 @@ void *xenbus_dev_request_and_reply(struc
 
        mutex_unlock(&xs_state.request_mutex);
 
-       if ((msg->type == XS_TRANSACTION_END) ||
+       if ((req_msg.type == XS_TRANSACTION_END) ||
            ((req_msg.type == XS_TRANSACTION_START) &&
             (msg->type == XS_ERROR)))
                up_read(&xs_state.suspend_mutex);

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