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

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Subject:	[Xen-changelog] Fix xenbus userspace device transaction tracking.
From:	Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Thu, 04 May 2006 14:12:08 +0000
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# HG changeset patch
# User cl349@xxxxxxxxxxxxxxxxxxxx
# Node ID bbce4d11518910328380f6a3325268acfa5b3aff
# Parent  915d5af5dc18f40f9ae9ac160263edb214ab0b0e
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>

diff -r 915d5af5dc18 -r bbce4d115189 
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c       Wed May 03 
13:33:01 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c       Thu May 04 
10:25:27 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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