When using make C=2 drivers/misc/vmw_vmci/vmci_driver.o to compile, below warning can be seen: drivers/misc/vmw_vmci/vmci_driver.c:33:6: warning: symbol 'vmci_vsock_cb_host_called' was not declared. Should it be static? This patch make symbol vmci_vsock_cb_host_called static. Fixes: b1bba80a4376 ("vsock/vmci: register vmci_transport only when VMCI guest/host are active") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx> --- drivers/misc/vmw_vmci/vmci_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/misc/vmw_vmci/vmci_driver.c b/drivers/misc/vmw_vmci/vmci_driver.c index 95fed46..cbb706d 100644 --- a/drivers/misc/vmw_vmci/vmci_driver.c +++ b/drivers/misc/vmw_vmci/vmci_driver.c @@ -30,7 +30,7 @@ static bool vmci_host_personality_initialized; static DEFINE_MUTEX(vmci_vsock_mutex); /* protects vmci_vsock_transport_cb */ static vmci_vsock_cb vmci_vsock_transport_cb; -bool vmci_vsock_cb_host_called; +static bool vmci_vsock_cb_host_called; /* * vmci_get_context_id() - Gets the current context ID. -- 2.7.4