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[IPV6] SIT: Disallow 0.0.0.0 in PRL and Flush PRL if given for DEL.

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2008-03-22 17:50:59 +09:00
parent 3fcfa12904
commit 0009ae1f50
1 changed files with 4 additions and 1 deletions
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5
net/ipv6/sit.c
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@ -215,6 +215,9 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg)
struct ip_tunnel_prl_entry *p;
int err = 0;
if (a->addr == htonl(INADDR_ANY))
return -EINVAL;
write_lock(&ipip6_lock);
for (p = t->prl; p; p = p->next) {
@ -254,7 +257,7 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
write_lock(&ipip6_lock);
if (a) {
if (a && a->addr != htonl(INADDR_ANY)) {
for (p = &t->prl; *p; p = &(*p)->next) {
if ((*p)->entry.addr == a->addr) {
x = *p;