svn commit: r309224 - head/sys/dev/hyperv/vmbus
Sepherosa Ziehau
sephe at FreeBSD.org
Mon Nov 28 04:53:38 UTC 2016
Author: sephe
Date: Mon Nov 28 04:53:36 2016
New Revision: 309224
URL: https://svnweb.freebsd.org/changeset/base/309224
Log:
hyperv/vmbus: Zero out GPADL if error happens.
MFC after: 1 week
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D8601
Modified:
head/sys/dev/hyperv/vmbus/vmbus_chan.c
Modified: head/sys/dev/hyperv/vmbus/vmbus_chan.c
==============================================================================
--- head/sys/dev/hyperv/vmbus/vmbus_chan.c Mon Nov 28 02:59:33 2016 (r309223)
+++ head/sys/dev/hyperv/vmbus/vmbus_chan.c Mon Nov 28 04:53:36 2016 (r309224)
@@ -503,6 +503,12 @@ vmbus_chan_gpadl_connect(struct vmbus_ch
uint64_t page_id;
/*
+ * Reset GPADL, so that the result would consistent, if error
+ * happened later on.
+ */
+ *gpadl0 = 0;
+
+ /*
* Preliminary checks.
*/
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