From: Dexuan Cui <decui@microsoft.com>
Date: Fri, 12 Apr 2019 23:34:45 +0000 (+0000)
Subject: Drivers: hv: vmbus: Remove the undesired put_cpu_ptr() in hv_synic_cleanup()
X-Git-Tag: v5.2-rc1~152^2~6^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a0033bd1eae4650b69be07c17cb87393da584563;p=thirdparty%2Flinux.git

Drivers: hv: vmbus: Remove the undesired put_cpu_ptr() in hv_synic_cleanup()

With CONFIG_DEBUG_PREEMPT=y, the put_cpu_ptr() triggers an underflow
warning in preempt_count_sub().

Fixes: 37cdd991fac8 ("vmbus: put related per-cpu variable together")
Cc: stable@vger.kernel.org
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
---

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 632d25674e7fe..45653029ee18f 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -408,7 +408,6 @@ int hv_synic_cleanup(unsigned int cpu)
 
 		clockevents_unbind_device(hv_cpu->clk_evt, cpu);
 		hv_ce_shutdown(hv_cpu->clk_evt);
-		put_cpu_ptr(hv_cpu);
 	}
 
 	hv_get_synint_state(VMBUS_MESSAGE_SINT, shared_sint.as_uint64);