The of_count_phandle_with_args() can fail and return error(for example,Tested-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
rk3399 pd_vio doesn't have clocks). That would break the pd probe.
Add a sanity check on pd->num_clks to avoid that.
Fixes: 65084121d59d ("soc: rockchip: power-domain: use clk_bulk APIs")
Reported-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
Signed-off-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>