summaryrefslogtreecommitdiff
path: root/util/nvmutil
diff options
context:
space:
mode:
authorLeah Rowe <leah@libreboot.org>2026-03-03 23:17:02 +0000
committerLeah Rowe <leah@libreboot.org>2026-03-03 23:17:02 +0000
commit790009f58ea8ebacfd3a66b936240cd19c27a42e (patch)
tree857eb06a583a377250f4918f9e8291e1bf50f580 /util/nvmutil
parent7b15b020b573cd98da074a72deb2e57b5a8618e3 (diff)
util/nvmutil: reset macbuf in parse_mac_string
we only ever use it once, so it's fine, but future expansion of this code might trip us up. this is therefore a preventative bug fix. Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/nvmutil')
-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 2dd3028f..585b4cee 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -285,6 +285,8 @@ parse_mac_string(void)
if (strnlen(mac, 20) != 17)
err(EINVAL, "Invalid MAC address string length");
+ (void) memset(macbuf, 0, sizeof(macbuf));
+
for (mac_pos = 0; mac_pos < 16; mac_pos += 3)
set_mac_byte(mac_pos, &total);