1 files changed, 3 insertions, 11 deletions

diff --git a/dev.c b/dev.c
index 2960976..b509aee 100644
--- a/dev.c
+++ b/dev.c
@@ -416,17 +416,9 @@ const char *device_addr2str(const unsigned char *addr, int alen, int type,
 	if (alen == 16 && type == ARPHRD_TUNNEL6)
 		return inet_ntop(AF_INET6, addr, buf, blen);
 
-	for (l = 0, i = 0; i < alen; i++) {
-		if (i == 0) {
-			snprintf(buf + l, blen, "%02x", addr[i]);
-			blen -= 2;
-			l += 2;
-		} else {
-			snprintf(buf + l, blen, ":%02x", addr[i]);
-			blen -= 3;
-			l += 3;
-		}
-	}
+	snprintf(buf, blen, "%02x", addr[0]);
+	for (i = 1, l = 2; i < alen && l < blen; i++, l += 3)
+		snprintf(buf + l, blen - l, ":%02x", addr[i]);
 
 	return buf;
 }