dhcp: decoded DNS servers should be limited to LWIP_DHCP_PROVIDE_DNS_…

…SERVERS instead of DNS_MAX_SERVERS
particle-iot · Jul 9, 2019 · 4fe0495 · 4fe0495
1 parent 9bda655
commit 4fe0495
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/core/ipv4/dhcp.c b/src/core/ipv4/dhcp.c
@@ -1592,7 +1592,7 @@ dhcp_parse_reply(struct pbuf *p, struct dhcp *dhcp)
         /* special case: there might be more than one server */
         LWIP_ERROR("len %% 4 == 0", len % 4 == 0, return ERR_VAL;);
         /* limit number of DNS servers */
-        decode_len = LWIP_MIN(len, 4 * DNS_MAX_SERVERS);
+        decode_len = LWIP_MIN(len, 4 * LWIP_DHCP_PROVIDE_DNS_SERVERS);
         LWIP_ERROR("len >= decode_len", len >= decode_len, return ERR_VAL;);
         decode_idx = DHCP_OPTION_IDX_DNS_SERVER;
         break;