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[lwip-devel] [bug #55380] dhcp_release_and_stop() clears the assigned IP

From: R. Diez
Subject: [lwip-devel] [bug #55380] dhcp_release_and_stop() clears the assigned IP address - v2.1.2
Date: Thu, 14 Feb 2019 02:10:52 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:65.0) Gecko/20100101 Firefox/65.0

Follow-up Comment #9, bug #55380 (project lwip):

I wanted to check out the code changes, now that this bug has been marked as
fixed, in order to patch my sources, but I could not find it below. Have you
not pushed it yet?


For other readers, the reason why this issue does need to be fixed is that
dhcp_release_and_stop() unconditionally clears the interface's IP address,
even if the address was not set by DHCP. 

This breaks applications that want to use a fallback IP address if DHCP fails,
but my still want to stop and restart DHCP in case a DHCP server does show up
later on.


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