net: don't override ethernet address environment
If the ethernet address environment is set with a valid ethernet address prevent overriding it as it is most likely set by the user and he/she doesn't want board code to automatically override it whatsoever. Signed-off-by: Roger Quadros <rogerq@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
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@ -34,6 +34,9 @@ int eth_setenv_enetaddr(const char *name, const uchar *enetaddr)
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{
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{
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char buf[ARP_HLEN_ASCII + 1];
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char buf[ARP_HLEN_ASCII + 1];
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if (eth_getenv_enetaddr(name, (uchar *)buf))
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return -EEXIST;
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sprintf(buf, "%pM", enetaddr);
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sprintf(buf, "%pM", enetaddr);
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return setenv(name, buf);
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return setenv(name, buf);
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