Benjamin Valentin 120b1485e0 gnrc_ipv6_nib: prevent NULL pointer dereference on nib exhaustion
If the NIB is full, `_nib_onl_get()` returns NULL.
`_reg_addr_upstream()` will then dereference the result without if
it is valid.
2020-12-08 20:41:06 +01:00
..
2020-10-23 11:27:48 +02:00
2020-10-23 11:27:48 +02:00
2020-10-23 11:27:48 +02:00
2020-11-23 16:56:34 +01:00