[PATCH 1/1] Drivers: hv: util: don't forget to init host_ts.lock

kys at exchange.microsoft.com kys at exchange.microsoft.com
Tue Feb 28 01:25:43 UTC 2017


From: Dexuan Cui <decui at microsoft.com>

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 at microsoft.com>
Cc: Vitaly Kuznetsov <vkuznets at redhat.com>
Cc: "K. Y. Srinivasan" <kys at microsoft.com>
Cc: Haiyang Zhang <haiyangz at microsoft.com>
Cc: Stephen Hemminger <sthemmin at microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys at microsoft.com>
---
 drivers/hv/hv_util.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index 3042eaa..186b100 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -590,6 +590,8 @@ 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);
 
 	/*
-- 
1.7.1



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