Instead of parsing an unsigned integer and checking boundaries, simply parse u8. This and the added ttl alias 'hlim' provide consistency with ip6tunnel.
Signed-off-by: Phil Sutter <p...@nwl.cc> --- ip/iptunnel.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/ip/iptunnel.c b/ip/iptunnel.c index 92edb34..8c05f6f 100644 --- a/ip/iptunnel.c +++ b/ip/iptunnel.c @@ -141,14 +141,13 @@ static int parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p) NEXT_ARG(); strncpy(medium, *argv, IFNAMSIZ-1); } else if (strcmp(*argv, "ttl") == 0 || - strcmp(*argv, "hoplimit") == 0) { - unsigned uval; + strcmp(*argv, "hoplimit") == 0 || + strcmp(*argv, "hlim") == 0) { + __u8 uval; NEXT_ARG(); if (strcmp(*argv, "inherit") != 0) { - if (get_unsigned(&uval, *argv, 0)) + if (get_u8(&uval, *argv, 0)) invarg("invalid TTL\n", *argv); - if (uval > 255) - invarg("TTL must be <=255\n", *argv); p->iph.ttl = uval; } } else if (strcmp(*argv, "tos") == 0 || -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html