X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=net%2Feth_common.c;h=58fa295771020639ba8924d906787dc3f9d78430;hb=1541d7a63d46309651bb6cb8abee018c04b7dfa2;hp=e9d3c66741201f5ccfe321cf1431e3339f1ed18b;hpb=b16f6804b4378c6d2f6b05ece0d3ae1c36ac4308;p=u-boot

diff --git a/net/eth_common.c b/net/eth_common.c
index e9d3c66741..58fa295771 100644
--- a/net/eth_common.c
+++ b/net/eth_common.c
@@ -34,6 +34,9 @@ int eth_setenv_enetaddr(const char *name, const uchar *enetaddr)
 {
 	char buf[ARP_HLEN_ASCII + 1];
 
+	if (eth_getenv_enetaddr(name, (uchar *)buf))
+		return -EEXIST;
+
 	sprintf(buf, "%pM", enetaddr);
 
 	return setenv(name, buf);