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

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protect memcpy to bad address if a local-mac-address is missing from dt
This commit is contained in:
Kim Phillips 2007-01-30 16:15:21 -06:00
parent 6752ed088c
commit b700474785
1 changed files with 2 additions and 0 deletions
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2
cpu/mpc83xx/cpu.c
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@ -309,11 +309,13 @@ ft_cpu_setup(void *blob, bd_t *bd)
#ifdef CONFIG_MPC83XX_TSEC1 #ifdef CONFIG_MPC83XX_TSEC1
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/local-mac-address", &len); p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/local-mac-address", &len);
if (p != NULL)
memcpy(p, bd->bi_enetaddr, 6); memcpy(p, bd->bi_enetaddr, 6);
#endif #endif
#ifdef CONFIG_MPC83XX_TSEC2 #ifdef CONFIG_MPC83XX_TSEC2
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/local-mac-address", &len); p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/local-mac-address", &len);
if (p != NULL)
memcpy(p, bd->bi_enet1addr, 6); memcpy(p, bd->bi_enet1addr, 6);
#endif #endif
} }