diff options
Diffstat (limited to 'net/ipv6/exthdrs.c')
| -rw-r--r-- | net/ipv6/exthdrs.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 748577b76d75..be6faf311387 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -673,3 +673,22 @@ out: return ERR_PTR(err); } +struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space, + struct ipv6_txoptions *opt) +{ + /* + * ignore the dest before srcrt unless srcrt is being included. + * --yoshfuji + */ + if (opt && opt->dst0opt && !opt->srcrt) { + if (opt_space != opt) { + memcpy(opt_space, opt, sizeof(*opt_space)); + opt = opt_space; + } + opt->opt_nflen -= ipv6_optlen(opt->dst0opt); + opt->dst0opt = NULL; + } + + return opt; +} + |