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dhcp: fix dhcp err when wifi and ethernet coexist

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This commit is contained in:
shangke
2017-01-10 21:54:53 +08:00
parent 0e701e1cac
commit 2e06c6ba38
1 changed files with 6 additions and 1 deletions
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7
components/tcpip_adapter/tcpip_adapter_lwip.c
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@@ -529,7 +529,12 @@ static void tcpip_adapter_dhcpc_cb(struct netif *netif)
} }
if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), IP4_ADDR_ANY) ) { if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), IP4_ADDR_ANY) ) {
tcpip_adapter_ip_info_t *ip_info = &esp_ip[TCPIP_ADAPTER_IF_STA]; tcpip_adapter_ip_info_t *ip_info = NULL;
if( netif == esp_netif[TCPIP_ADAPTER_IF_STA] ) {
ip_info = &esp_ip[TCPIP_ADAPTER_IF_STA];
} else if(netif == esp_netif[TCPIP_ADAPTER_IF_ETH] ) {
ip_info = &esp_ip[TCPIP_ADAPTER_IF_ETH];
}
//check whether IP is changed //check whether IP is changed
if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), &ip_info->ip) || if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), &ip_info->ip) ||