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Apply patch from Derek Pravala: Fix segfault in ip6_route when there is no default netif
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@ -184,7 +184,7 @@ ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest)
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#endif /* LWIP_NETIF_LOOPBACK && !LWIP_HAVE_LOOPIF */
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/* no matching netif found, use default netif, if up */
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if (!netif_is_up(netif_default) || !netif_is_link_up(netif_default)) {
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if ((netif_default == NULL) || !netif_is_up(netif_default) || !netif_is_link_up(netif_default)) {
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return NULL;
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}
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return netif_default;
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