[lwip-devel] [bug #46837] Don't send dhcp_release message in dhcp_release function

[Robin]

URL:
  <http://savannah.nongnu.org/bugs/?46837>

                 Summary: Don't send dhcp_release message in dhcp_release
function
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: back1127_mtk
            Submitted on: Thu Jan  7 06:32:22 2016
                Category: DHCP
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: git head

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Details:

In dhcp_release function,

At the beginning of function, it call dhcp_set_state(dhcp, DHCP_STATE_OFF);

Next, it call dhcp_supplied_address(netif) to check address is dhcp-assigned
or not. in this function, it will check dhcp state and always return 0 because
the state is set as OFF. 

So, it will return ERR_OK directly and don't send release message.




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