Merge branch 'cherry-pick-fa67274d' into 'release/v2.2.x'

xcguang · xcguang · commit 74358b75382c · 2019-03-14T16:39:49.000+08:00
fix: sync a bug fix of dns_enqueue with RTOS SDK.

See merge request sdk/ESP8266_NONOS_SDK!157
diff --git a/VERSION b/VERSION
@@ -18,5 +18,5 @@ phy:
 
 gitlab:
     driver      :   9f17ed94
-    lwip        :   1e469d5d
+    lwip        :   cf6c1616
     mbedtls     :   1e469d5d
diff --git a/lib/liblwip.a b/lib/liblwip.a
diff --git a/third_party/lwip/core/dns.c b/third_party/lwip/core/dns.c
@@ -883,7 +883,8 @@ dns_enqueue(const char *name, dns_found_callback found, void *callback_arg)
   size_t namelen;
 
   /* search an unused entry, or the oldest one */
-  lseq = lseqi = 0;
+  lseq = 0;
+  lseqi = DNS_TABLE_SIZE;
   for (i = 0; i < DNS_TABLE_SIZE; ++i) {
     pEntry = &dns_table[i];
     /* is it an unused entry ? */
