[U-Boot-Users] [PATCH] mpc86xx: 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/mpc86xx/cpu.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/cpu/mpc86xx/cpu.c b/cpu/mpc86xx/cpu.c
index 551b243..bdbf841 100644
--- a/cpu/mpc86xx/cpu.c
+++ b/cpu/mpc86xx/cpu.c
@@ -286,22 +286,26 @@ ft_cpu_setup(void *blob, bd_t *bd)
 
 #if defined(CONFIG_MPC86XX_TSEC1)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet at 24000/mac-address", &len);
-	memcpy(p, bd->bi_enetaddr, 6);
+	if (p != NULL)
+		memcpy(p, bd->bi_enetaddr, 6);
 #endif
 
 #if defined(CONFIG_MPC86XX_TSEC2)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet at 25000/mac-address", &len);
-	memcpy(p, bd->bi_enet1addr, 6);
+	if (p != NULL)
+		memcpy(p, bd->bi_enet1addr, 6);
 #endif
 
 #if defined(CONFIG_MPC86XX_TSEC3)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet at 26000/mac-address", &len);
-	memcpy(p, bd->bi_enet2addr, 6);
+	if (p != NULL)
+		memcpy(p, bd->bi_enet2addr, 6);
 #endif
 
 #if defined(CONFIG_MPC86XX_TSEC4)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet at 27000/mac-address", &len);
-	memcpy(p, bd->bi_enet3addr, 6);
+	if (p != NULL)
+		memcpy(p, bd->bi_enet3addr, 6);
 #endif
 
 }
-- 
1.4.4