Ooops. After getting a NAK in response to a renewal REQUEST, we delete
authorkrw <krw@openbsd.org>
Sun, 11 Feb 2018 22:00:19 +0000 (22:00 +0000)
committerkrw <krw@openbsd.org>
Sun, 11 Feb 2018 22:00:19 +0000 (22:00 +0000)
commit0d5c1df11b85299573a7b90afc4f687ceff73e38
tree31ed321b02b63cd7db80356d4d12d9d3186adeaa
parenta4d1fa3fbd38cd63f8b0c722d4092eeb6464967c
Ooops. After getting a NAK in response to a renewal REQUEST, we delete
the interface's address and thus the cached configuration data becomes
invalid and must be discarded.

Issue found & fix tested by Christer Solskogen. Thanks!
sbin/dhclient/dhclient.c