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Date: Wed, 15 Feb 2017 14:07:32 +0000 From: Dexuan Cui <decui@...rosoft.com> To: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, "driverdev-devel@...uxdriverproject.org" <driverdev-devel@...uxdriverproject.org>, KY Srinivasan <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Stephen Hemminger <sthemmin@...rosoft.com> CC: Vitaly Kuznetsov <vkuznets@...hat.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: [PATCH] Drivers: hv: util: don't forget to init host_ts.lock Without the patch, I always get a "BUG: spinlock bad magic" warning. Fixes: 3716a49a81ba ("hv_utils: implement Hyper-V PTP source") Signed-off-by: Dexuan Cui <decui@...rosoft.com> Cc: Vitaly Kuznetsov <vkuznets@...hat.com> Cc: "K. Y. Srinivasan" <kys@...rosoft.com> Cc: Haiyang Zhang <haiyangz@...rosoft.com> Cc: Stephen Hemminger <sthemmin@...rosoft.com> --- 3716a49a81ba is the commit id in char-misc.git, since the patch hasn't been in Linus's tree yet. drivers/hv/hv_util.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index 098cd3d..60d763c 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -591,6 +591,8 @@ static int hv_timesync_init(struct hv_util_service *srv) if (!hyperv_cs) return -ENODEV; + spin_lock_init(&host_ts.lock); + INIT_WORK(&wrk.work, hv_set_host_time); /* -- 2.7.4
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