commit 341132ae81d3531bba093c45f9efc38ab2b19a8c
Author: Ken Zhu <guigenz@codeaurora.org>
Date:   Sun Sep 20 17:28:15 2020 -0700

    xtables-addons: fix strict check waring

    stricter check break compiling, fix these issues.

    Change-Id: Ie8feecf713e5eda879cf19faed57fa4724d46023
    Signed-off-by: Ken Zhu <guigenz@codeaurora.org>

diff -Nur a/extensions/LUA/byte_array.c xtables-addons-2.14/extensions/LUA/byte_array.c
--- a/extensions/LUA/byte_array.c	2020-09-25 13:59:21.118624846 -0700
+++ xtables-addons-2.14/extensions/LUA/byte_array.c	2020-09-25 14:21:16.187637179 -0700
@@ -107,12 +107,15 @@
 static int32_t byte_array_to_string(lua_State *L)
 {
 	lua_packet_segment * array = checkbytearray(L, 1);
-	uint8_t buf[(array->length * 3) + 255];
+	uint8_t *buf = kmalloc((array->length * 3) + 255,  GFP_KERNEL);
 	uint8_t hexval[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
-	char res[255 + (array->length * 3)]; /* make sure the buffer is big enough*/
+	char *res= kmalloc(255 + (array->length * 3),  GFP_KERNEL); /* make sure the buffer is big enough*/
 	int32_t i, n;
 	uint8_t *ptr = array->start + array->offset;
 
+	if (!buf || !res)
+		goto kmalloc_out;
+
 	for (i = 0; i < array->length; i++) {
 		buf[i * 3] = hexval[(ptr[i] >> 4) & 0xF];
 		buf[(i * 3) + 1] = hexval[ptr[i] & 0x0F];
@@ -124,6 +127,9 @@
 
 	lua_pushlstring(L, res, n);
 
+kmalloc_out:
+	if (buf) kfree(buf);
+	if (res) kfree(res);
 	return 1;
 }
 
diff -Nur a/extensions/LUA/lua/ldebug.c xtables-addons-2.14/extensions/LUA/lua/ldebug.c
--- a/extensions/LUA/lua/ldebug.c	2020-09-25 13:59:21.118624846 -0700
+++ xtables-addons-2.14/extensions/LUA/lua/ldebug.c	2020-09-25 13:59:48.066359910 -0700
@@ -412,6 +412,9 @@
       case OP_FORPREP:
         checkreg(pt, a+3);
         /* go through */
+#if __has_attribute(__fallthrough__)
+	__attribute__((__fallthrough__));
+#endif
       case OP_JMP: {
         int dest = pc+1+b;
         /* not full check and jump is forward and do not skip `lastpc'? */
diff -Nur a/extensions/LUA/lua/llex.c xtables-addons-2.14/extensions/LUA/lua/llex.c
--- a/extensions/LUA/lua/llex.c	2020-09-25 13:59:21.122624806 -0700
+++ xtables-addons-2.14/extensions/LUA/lua/llex.c	2020-09-25 13:59:48.066359910 -0700
@@ -365,6 +365,9 @@
         else if (sep == -1) return '[';
         else luaX_lexerror(ls, "invalid long string delimiter", TK_STRING);
       }
+#if __has_attribute(__fallthrough__)
+	__attribute__((__fallthrough__));
+#endif
       case '=': {
         next(ls);
         if (ls->current != '=') return '=';
diff -Nur a/extensions/LUA/lua/ltable.c xtables-addons-2.14/extensions/LUA/lua/ltable.c
--- a/extensions/LUA/lua/ltable.c	2020-09-25 13:59:21.118624846 -0700
+++ xtables-addons-2.14/extensions/LUA/lua/ltable.c	2020-09-25 13:59:48.066359910 -0700
@@ -477,6 +477,9 @@
         return luaH_getnum(t, k);  /* use specialized version */
       /* else go through */
     }
+#if __has_attribute(__fallthrough__)
+	__attribute__((__fallthrough__));
+#endif
     default: {
       Node *n = mainposition(t, key);
       do {  /* check whether `key' is somewhere in the chain */
diff -Nur a/extensions/LUA/lua/ltablib.c xtables-addons-2.14/extensions/LUA/lua/ltablib.c
--- a/extensions/LUA/lua/ltablib.c	2020-09-25 13:59:21.122624806 -0700
+++ xtables-addons-2.14/extensions/LUA/lua/ltablib.c	2020-09-25 13:59:48.066359910 -0700
@@ -137,7 +137,7 @@
   if (!lua_isstring(L, -1))
     luaL_error(L, "invalid value (%s) at index %d in table for "
                   LUA_QL("concat"), luaL_typename(L, -1), i);
-    luaL_addvalue(b);
+  luaL_addvalue(b);
 }