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iproute: Parse last nexthop in a multipath route

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Continue parsing a multipath payload as long as another nexthop can fit
in the payload.

# ip route add 192.0.2.0/24 nexthop dev dummy0 nexthop dev dummy1

Before:
# ip route show 192.0.2.0/24
192.0.2.0/24
        nexthop dev dummy0 weight 1

After:
# ip route show 192.0.2.0/24
192.0.2.0/24
        nexthop dev dummy0 weight 1
        nexthop dev dummy1 weight 1

Fixes: f48e14880a ("iproute: refactor multipath print")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Ido Schimmel 2018-05-01 16:16:35 +03:00 committed by Stephen Hemminger
parent 37bf5c6fcb
commit c0ec7c9f87
1 changed files with 1 additions and 1 deletions
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2
ip/iproute.c
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@ -650,7 +650,7 @@ static void print_rta_multipath(FILE *fp, const struct rtmsg *r,
int len = RTA_PAYLOAD(rta);
int first = 1;
while (len > sizeof(*nh)) {
while (len >= sizeof(*nh)) {
struct rtattr *tb[RTA_MAX + 1];
if (nh->rtnh_len > len)