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Remove LWIP_DHCP_CHECK_LINK_UP define as it's useless

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See bug #54574

Signed-off-by: Simon Goldschmidt <goldsimon@gmx.de>
This commit is contained in:
Simon Goldschmidt 2018-09-07 21:01:32 +02:00
parent 7749088a83
commit 93b2074f2b
2 changed files with 0 additions and 13 deletions
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3
src/core/ipv4/dhcp.c
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@ -784,14 +784,11 @@ dhcp_start(struct netif *netif)
}
dhcp->pcb_allocated = 1;
#if LWIP_DHCP_CHECK_LINK_UP
if (!netif_is_link_up(netif)) {
/* set state INIT and wait for dhcp_network_changed() to call dhcp_discover() */
dhcp_set_state(dhcp, DHCP_STATE_INIT);
return ERR_OK;
}
#endif /* LWIP_DHCP_CHECK_LINK_UP */
/* (re)start the DHCP negotiation */
result = dhcp_discover(netif);

10
src/include/lwip/opt.h
View File

@ -930,16 +930,6 @@
#define DHCP_DOES_ARP_CHECK (LWIP_DHCP && LWIP_ARP)
#endif
/**
* LWIP_DHCP_CHECK_LINK_UP==1: dhcp_start() only really starts if the netif has
* NETIF_FLAG_LINK_UP set in its flags. As this is only an optimization and
* netif drivers might not set this flag, the default is off. If enabled,
* netif_set_link_up() must be called to continue dhcp starting.
*/
#if !defined LWIP_DHCP_CHECK_LINK_UP
#define LWIP_DHCP_CHECK_LINK_UP 0
#endif
/**
* LWIP_DHCP_BOOTP_FILE==1: Store offered_si_addr and boot_file_name.
*/