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

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commit a0033bd1ea upstream.

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

Fixes: 37cdd991fa ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dexuan Cui 2019-04-12 23:34:45 +00:00 committed by Greg Kroah-Hartman
parent 0f18e433b9
commit eb7b8d1afb
1 changed files with 0 additions and 1 deletions
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drivers/hv/hv.c
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@ -402,7 +402,6 @@ 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);