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[ Upstream commitfdd258d49e] cfhsi_exit_module() calls unregister_netdev() under rtnl_lock(). but unregister_netdev() internally calls rtnl_lock(). So deadlock would occur. Fixes:c412540063("caif-hsi: Add rtnl support") Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>