Date: Tue, 12 Jul 2016 03:14:35 +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: r302608 - head/sys/dev/hyperv/vmbus Message-ID: <201607120314.u6C3EZFo013573@repo.freebsd.org>
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Author: sephe Date: Tue Jul 12 03:14:35 2016 New Revision: 302608 URL: https://svnweb.freebsd.org/changeset/base/302608 Log: hyperv/vmbus: Remove unnecessary check and unapplied comment MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D6877 Modified: head/sys/dev/hyperv/vmbus/hv_channel.c Modified: head/sys/dev/hyperv/vmbus/hv_channel.c ============================================================================== --- head/sys/dev/hyperv/vmbus/hv_channel.c Tue Jul 12 03:09:10 2016 (r302607) +++ head/sys/dev/hyperv/vmbus/hv_channel.c Tue Jul 12 03:14:35 2016 (r302608) @@ -975,23 +975,6 @@ VmbusProcessChannelEvent(void* context, hv_vmbus_channel* channel = (hv_vmbus_channel*)context; boolean_t is_batched_reading; - /** - * Find the channel based on this relid and invokes - * the channel callback to process the event - */ - - if (channel == NULL) { - return; - } - /** - * To deal with the race condition where we might - * receive a packet while the relevant driver is - * being unloaded, dispatch the callback while - * holding the channel lock. The unloading driver - * will acquire the same channel lock to set the - * callback to NULL. This closes the window. - */ - if (channel->on_channel_callback != NULL) { arg = channel->channel_callback_context; is_batched_reading = channel->batched_reading;
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