[riot-notifications] [RIOT-OS/RIOT] gnrc/netif: add gnrc_netif_ipv6_wait_for_prefix() (#16824)
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Tue Sep 7 18:01:50 CEST 2021
@benpicco commented on this pull request.
> +#ifndef CONFIG_NETIF_NUM_MAX
+#define CONFIG_NETIF_NUM_MAX 2
> > I could also use VLA instead fearful
yummy, but I meant
They should generally be avoided because of their unpredictable nature and no way to check if stack space was exhausted.
However, this might actually be a valid use case: `msg_bus_entry_t` is only 12 byte and the number of netifs is also small, so it's unlikely that this will overflow the stack.
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