upload-pack: tighten number parsing at "deepen" lines

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nguyễn Thái Ngọc Duy committed Jun 12, 2016 at 17:53 UTC 6e414e30fd12460d7a7ba3ce67d20aa82a41a737
1 file changed +2 -2
upload-pack.c
+2 -2
@@ -645,9 +645,9 @@ static void receive_needs(void)
645 continue;
646 }
647 if (skip_prefix(line, "deepen ", &arg)) {
648 - char *end;
648 + char *end = NULL;
649 depth = strtol(arg, &end, 0);
650 - if (end == arg || depth <= 0)
650 + if (!end || *end || depth <= 0)
651 die("Invalid deepen: %s", line);
652 continue;
653 }