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networkd: flush DNSSL/RDNSS lists when we lose carrier 

Fixes: #3870
This commit is contained in:
Lennart Poettering 2016-10-25 12:08:43 +02:00
parent 02affb4e6a
commit c69305ff4f
3 changed files with 14 additions and 3 deletions
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7
src/network/networkd-link.c
View File

@ -514,13 +514,12 @@ static void link_free(Link *link) {
sd_lldp_unref(link->lldp);
free(link->lldp_file);
ndisc_flush(link);
sd_ipv4ll_unref(link->ipv4ll);
sd_dhcp6_client_unref(link->dhcp6_client);
sd_ndisc_unref(link->ndisc);
set_free_free(link->ndisc_rdnss);
set_free_free(link->ndisc_dnssl);
if (link->manager)
hashmap_remove(link->manager->links, INT_TO_PTR(link->ifindex));
@ -2427,6 +2426,8 @@ static int link_drop_config(Link *link) {
return r;
}
ndisc_flush(link);
return 0;
}

9
src/network/networkd-ndisc.c
View File

@ -690,3 +690,12 @@ void ndisc_vacuum(Link *link) {
link_dirty(link);
}
}
void ndisc_flush(Link *link) {
assert(link);
/* Removes all RDNSS and DNSSL entries, without exception */
link->ndisc_rdnss = set_free_free(link->ndisc_rdnss);
link->ndisc_dnssl = set_free_free(link->ndisc_dnssl);
}

1
src/network/networkd-ndisc.h
View File

@ -37,3 +37,4 @@ static inline char* NDISC_DNSSL_DOMAIN(const NDiscDNSSL *n) {
int ndisc_configure(Link *link);
void ndisc_vacuum(Link *link);
void ndisc_flush(Link *link);