Fix pkt_mkopt

diff --git a/tftp.c b/tftp.c
index 5189cbff8b060975b77b676b40c17f4a79346719..de8f765d010214cb3727d52892cabe2d2593e52d 100644 (file)
--- a/tftp.c
+++ b/tftp.c
@@ -72,7 +72,7 @@ static inline uint16_t pkt_num(char *pkt)
 static char *pkt_mkopt(char *pkt, const char *opt, const char* val)
 {
        strcpy(pkt, opt);
-       pkt += strlen(pkt) + 1;
+       pkt += strlen(opt) + 1;
        strcpy(pkt, val);
        pkt += strlen(val) + 1;
        return pkt;