diff options
| author | Jon Loeliger <jdl@freescale.com> | 2007-04-20 14:11:38 -0500 |
|---|---|---|
| committer | Jon Loeliger <jdl@freescale.com> | 2007-04-20 14:11:38 -0500 |
| commit | 7dbdf28b8bd855a8530dc3292e4982575a197060 (patch) | |
| tree | 5a59d366f0140507fa3e12f0632d7b291c4bec9a | |
| parent | 14da5f7675bbb427c469e3f45006e027b6e21db9 (diff) | |
mpc86xx: protect memcpy to bad address if a mac-address is missing from dt
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
| -rw-r--r-- | 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 84f5bef508..73de8cb4af 100644 --- a/cpu/mpc86xx/cpu.c +++ b/cpu/mpc86xx/cpu.c @@ -280,22 +280,26 @@ ft_cpu_setup(void *blob, bd_t *bd) #if defined(CONFIG_MPC86XX_TSEC1) p = ft_get_prop(blob, "/" OF_SOC "/ethernet@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@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@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@27000/mac-address", &len); - memcpy(p, bd->bi_enet3addr, 6); + if (p != NULL) + memcpy(p, bd->bi_enet3addr, 6); #endif } |