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mpc86xx: protect memcpy to bad address if a mac-address is missing from dt

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Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
This commit is contained in:
Jon Loeliger 2007-04-20 14:11:38 -05:00
parent 14da5f7675
commit 7dbdf28b8b
1 changed files with 8 additions and 4 deletions
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12
cpu/mpc86xx/cpu.c
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@ -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
}