mpc83xx: protect memcpy to bad address if a local-mac-address is missing from dt

protect memcpy to bad address if a local-mac-address is missing from dt

diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index 15e04ba5f7415cc3f4369f473b02229898661058..f83981e8b8748c4d66f9c3d82218152b14e77ced 100644 (file)
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -309,11 +309,13 @@ ft_cpu_setup(void *blob, bd_t *bd)
 
 #ifdef CONFIG_MPC83XX_TSEC1
        p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/local-mac-address", &len);
+       if (p != NULL)
                memcpy(p, bd->bi_enetaddr, 6);
 #endif
 
 #ifdef CONFIG_MPC83XX_TSEC2
        p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/local-mac-address", &len);
+       if (p != NULL)
                memcpy(p, bd->bi_enet1addr, 6);
 #endif
 }