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-rw-r--r--net/eth_common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/eth_common.c b/net/eth_common.c
index 288090155e..e9d3c66741 100644
--- a/net/eth_common.c
+++ b/net/eth_common.c
@@ -32,7 +32,7 @@ int eth_getenv_enetaddr(const char *name, uchar *enetaddr)
int eth_setenv_enetaddr(const char *name, const uchar *enetaddr)
{
- char buf[20];
+ char buf[ARP_HLEN_ASCII + 1];
sprintf(buf, "%pM", enetaddr);