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-rw-r--r--util/nvmutil/nvmutil.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 3c59cd0c..fbf6e303 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -482,6 +482,8 @@ parse_mac_string(void)
if (strlen(mac_str) != 17)
err(EINVAL, "MAC address is the wrong length");
+ memset(mac_buf, 0, sizeof(mac_buf));
+
for (mac_byte = 0; mac_byte < 6; mac_byte++)
set_mac_byte(mac_byte);