[U-Boot-Users] [PATCH] mpc85xx: protect memcpy to bad address if a mac-address is missing from dt

[Kim Phillips]

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

---
 cpu/mpc85xx/cpu.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 0507c47..0f96216 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -255,21 +255,25 @@ ft_cpu_setup(void *blob, bd_t *bd)
 
 #if defined(CONFIG_MPC85XX_TSEC1)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet at 24000/mac-address", &len);
+	if (p != NULL)
 		memcpy(p, bd->bi_enetaddr, 6);
 #endif
 
 #if defined(CONFIG_HAS_ETH1)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet at 25000/mac-address", &len);
+	if (p != NULL)
 		memcpy(p, bd->bi_enet1addr, 6);
 #endif
 
 #if defined(CONFIG_HAS_ETH2)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet at 26000/mac-address", &len);
+	if (p != NULL)
 		memcpy(p, bd->bi_enet2addr, 6);
 #endif
 
 #if defined(CONFIG_HAS_ETH3)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet at 27000/mac-address", &len);
+	if (p != NULL)
 		memcpy(p, bd->bi_enet3addr, 6);
 #endif
 
-- 
1.4.4