From: Dexuan Cui <de...@microsoft.com> commit a0033bd1eae4650b69be07c17cb87393da584563 upstream.
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: sta...@vger.kernel.org Cc: Stephen Hemminger <sthem...@microsoft.com> Signed-off-by: Dexuan Cui <de...@microsoft.com> Reviewed-by: Michael Kelley <mikel...@microsoft.com> Signed-off-by: Sasha Levin (Microsoft) <sas...@kernel.org> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/hv/hv.c | 1 - 1 file changed, 1 deletion(-) --- 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);