Module Name: src
Committed By: nakayama
Date: Tue Jul 9 10:07:11 UTC 2019
Modified Files:
src/sys/dev/hyperv: vmbus.c
Log Message:
Zero clear the allocated ring buffer for vmbus_channel.
This change makes Hyper-V's vmbus devices work properly even after reboot.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/dev/hyperv/vmbus.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/hyperv/vmbus.c
diff -u src/sys/dev/hyperv/vmbus.c:1.3 src/sys/dev/hyperv/vmbus.c:1.4
--- src/sys/dev/hyperv/vmbus.c:1.3 Fri May 24 14:28:48 2019
+++ src/sys/dev/hyperv/vmbus.c Tue Jul 9 10:07:11 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: vmbus.c,v 1.3 2019/05/24 14:28:48 nonaka Exp $ */
+/* $NetBSD: vmbus.c,v 1.4 2019/07/09 10:07:11 nakayama Exp $ */
/* $OpenBSD: hyperv.c,v 1.43 2017/06/27 13:56:15 mikeb Exp $ */
/*-
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vmbus.c,v 1.3 2019/05/24 14:28:48 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vmbus.c,v 1.4 2019/07/09 10:07:11 nakayama Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -1263,6 +1263,7 @@ vmbus_channel_ring_create(struct vmbus_c
"failed to allocate channel ring\n");
return ENOMEM;
}
+ memset(ch->ch_ring, 0, ch->ch_ring_size);
memset(&ch->ch_wrd, 0, sizeof(ch->ch_wrd));
ch->ch_wrd.rd_ring = (struct vmbus_bufring *)ch->ch_ring;
