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minor: dhcp_network_changed(): assert for valid state, fix coding style

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sg 2017-02-03 21:20:39 +01:00
parent 855ea02b15
commit 1839153609
1 changed files with 3 additions and 1 deletions
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4
src/core/ipv4/dhcp.c
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@ -845,8 +845,9 @@ dhcp_network_changed(struct netif *netif)
{ {
struct dhcp *dhcp = netif_dhcp_data(netif); struct dhcp *dhcp = netif_dhcp_data(netif);
if (!dhcp) if (!dhcp) {
return; return;
}
switch (dhcp->state) { switch (dhcp->state) {
case DHCP_STATE_REBINDING: case DHCP_STATE_REBINDING:
case DHCP_STATE_RENEWING: case DHCP_STATE_RENEWING:
@ -859,6 +860,7 @@ dhcp_network_changed(struct netif *netif)
/* stay off */ /* stay off */
break; break;
default: default:
LWIP_ASSERT("invalid dhcp->state", dhcp->state <= DHCP_STATE_BACKING_OFF);
/* INIT/REQUESTING/CHECKING/BACKING_OFF restart with new 'rid' because the /* INIT/REQUESTING/CHECKING/BACKING_OFF restart with new 'rid' because the
state changes, SELECTING: continue with current 'rid' as we stay in the state changes, SELECTING: continue with current 'rid' as we stay in the
same state */ same state */