Date: Fri, 4 Nov 2016 01:14:41 +0000 (UTC) From: Sepherosa Ziehau <sephe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r308278 - head/sys/dev/hyperv/vmbus Message-ID: <201611040114.uA41Ef2R060121@repo.freebsd.org>
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Author: sephe Date: Fri Nov 4 01:14:41 2016 New Revision: 308278 URL: https://svnweb.freebsd.org/changeset/base/308278 Log: hyperv/vmbus: Reset ch_dev, once the child is deleted. So it will not be mis-used later on, e.g. in vmbus_chan_printf(). Submitted by: dexuan Reported by: dexuan MFC after: 1 week Sponsored by: Microsoft Modified: head/sys/dev/hyperv/vmbus/vmbus.c Modified: head/sys/dev/hyperv/vmbus/vmbus.c ============================================================================== --- head/sys/dev/hyperv/vmbus/vmbus.c Fri Nov 4 01:12:32 2016 (r308277) +++ head/sys/dev/hyperv/vmbus/vmbus.c Fri Nov 4 01:14:41 2016 (r308278) @@ -954,6 +954,7 @@ vmbus_delete_child(struct vmbus_channel if (chan->ch_dev != NULL) { error = device_delete_child(chan->ch_vmbus->vmbus_dev, chan->ch_dev); + chan->ch_dev = NULL; } mtx_unlock(&Giant); return (error);
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