diff options
| author | nakayama <nakayama@NetBSD.org> | 2019-07-09 10:07:11 +0000 |
|---|---|---|
| committer | nakayama <nakayama@NetBSD.org> | 2019-07-09 10:07:11 +0000 |
| commit | f52a0928279a5ca61f267caa39142fe1e535e007 (patch) | |
| tree | 2d2eaffa1655b1c35afd7a534dbe3c6de4f5e6ae /sys/dev/hyperv | |
| parent | 586908d303a44bf79a844c0d489c5031debe07f0 (diff) | |
Zero clear the allocated ring buffer for vmbus_channel.
This change makes Hyper-V's vmbus devices work properly even after reboot.
Diffstat (limited to 'sys/dev/hyperv')
| -rw-r--r-- | sys/dev/hyperv/vmbus.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/dev/hyperv/vmbus.c b/sys/dev/hyperv/vmbus.c index 776aa7cea6c..7a91b79a923 100644 --- a/sys/dev/hyperv/vmbus.c +++ b/sys/dev/hyperv/vmbus.c @@ -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_channel *ch, uint32_t buflen) "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; |
