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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2005-11-19 22:23:18 -0500
committerYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2005-11-19 22:23:18 -0500
commitdf9890c31a1a447254f39e40c3fd81ad6547945b (patch)
treebf432d75796112d86d102fe721bdce93e6ad6901 /net/ipv6/ip6_flowlabel.c
parenta305989386e402f48b216786a5c8cf440b33bdad (diff)
[IPV6]: Fix sending extension headers before and including routing header.
Based on suggestion from Masahide Nakamura <nakam@linux-ipv6.org>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6/ip6_flowlabel.c')
-rw-r--r--net/ipv6/ip6_flowlabel.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index bbbe80cdaf72..1cf02765fb5c 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -225,20 +225,16 @@ struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions * opt_space,
225 struct ip6_flowlabel * fl, 225 struct ip6_flowlabel * fl,
226 struct ipv6_txoptions * fopt) 226 struct ipv6_txoptions * fopt)
227{ 227{
228 struct ipv6_txoptions * fl_opt = fl ? fl->opt : NULL; 228 struct ipv6_txoptions * fl_opt = fl->opt;
229 229
230 if (fopt == NULL || fopt->opt_flen == 0) { 230 if (fopt == NULL || fopt->opt_flen == 0)
231 if (!fl_opt || !fl_opt->dst0opt || fl_opt->srcrt) 231 return fl_opt;
232 return fl_opt; 232
233 }
234
235 if (fl_opt != NULL) { 233 if (fl_opt != NULL) {
236 opt_space->hopopt = fl_opt->hopopt; 234 opt_space->hopopt = fl_opt->hopopt;
237 opt_space->dst0opt = fl_opt->srcrt ? fl_opt->dst0opt : NULL; 235 opt_space->dst0opt = fl_opt->dst0opt;
238 opt_space->srcrt = fl_opt->srcrt; 236 opt_space->srcrt = fl_opt->srcrt;
239 opt_space->opt_nflen = fl_opt->opt_nflen; 237 opt_space->opt_nflen = fl_opt->opt_nflen;
240 if (fl_opt->dst0opt && !fl_opt->srcrt)
241 opt_space->opt_nflen -= ipv6_optlen(fl_opt->dst0opt);
242 } else { 238 } else {
243 if (fopt->opt_nflen == 0) 239 if (fopt->opt_nflen == 0)
244 return fopt; 240 return fopt;