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Apply patch from Derek Pravala: Fix segfault in ip6_route when there is no default netif

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This commit is contained in:
Dirk Ziegelmeier 2016-03-03 16:12:20 +01:00
parent eead3a7038
commit 5358380c5f
1 changed files with 1 additions and 1 deletions
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2
src/core/ipv6/ip6.c
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@ -184,7 +184,7 @@ ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest)
#endif /* LWIP_NETIF_LOOPBACK && !LWIP_HAVE_LOOPIF */
/* no matching netif found, use default netif, if up */
if (!netif_is_up(netif_default) || !netif_is_link_up(netif_default)) {
if ((netif_default == NULL) || !netif_is_up(netif_default) || !netif_is_link_up(netif_default)) {
return NULL;
}
return netif_default;