1 commit 8019e88dd1ac73a3baa71e9acfbc1b7a3fbc7442
2 Author: Willy Tarreau <w@1wt.eu>
3 Date: Tue Oct 16 17:37:12 2018 +0200
5 BUILD: lua: silence some compiler warnings about potential null derefs (#2)
7 Here we make sure that appctx is always taken from the unchecked value
8 since we know it's an appctx, which explains why it's immediately
9 dereferenced. A missing test was added to ensure that task_new() does
12 This may be backported to 1.8.
14 (cherry picked from commit e09101e8d92b0c0ef8674fbc791e309112ab7f1c)
15 Signed-off-by: Willy Tarreau <w@1wt.eu>
17 diff --git a/src/hlua.c b/src/hlua.c
18 index 64102e8a..ad9238ef 100644
21 @@ -2361,7 +2361,7 @@ __LJMP static int hlua_socket_connect_yield(struct lua_State *L, int status, lua
25 - appctx = objt_appctx(s->si[0].end);
26 + appctx = __objt_appctx(s->si[0].end);
28 /* Check for connection established. */
29 if (appctx->ctx.hlua_cosocket.connected) {
30 @@ -2473,7 +2473,7 @@ __LJMP static int hlua_socket_connect(struct lua_State *L)
33 hlua = hlua_gethlua(L);
34 - appctx = objt_appctx(s->si[0].end);
35 + appctx = __objt_appctx(s->si[0].end);
37 /* inform the stream that we want to be notified whenever the
38 * connection completes.
39 @@ -5693,6 +5693,9 @@ static int hlua_register_task(lua_State *L)
40 WILL_LJMP(luaL_error(L, "lua out of memory error."));
42 task = task_new(MAX_THREADS_MASK);
44 + WILL_LJMP(luaL_error(L, "Lua out of memory error."));
47 task->process = hlua_process_task;