PSYNC2: luaCreateFunction() should handle NULL client parameter.

See #4483. This is needed because luaCreateFunction() is now called
from RDB loading code outside a client context.
This commit is contained in:
antirez 2017-11-29 16:21:14 +01:00
parent f11a7585a8
commit 28dfdca733

View File

@ -1160,16 +1160,21 @@ int luaCreateFunction(client *c, lua_State *lua, char *funcname, robj *body) {
funcdef = sdscatlen(funcdef,"\nend",4);
if (luaL_loadbuffer(lua,funcdef,sdslen(funcdef),"@user_script")) {
addReplyErrorFormat(c,"Error compiling script (new function): %s\n",
lua_tostring(lua,-1));
if (c != NULL) {
addReplyErrorFormat(c,
"Error compiling script (new function): %s\n",
lua_tostring(lua,-1));
}
lua_pop(lua,1);
sdsfree(funcdef);
return C_ERR;
}
sdsfree(funcdef);
if (lua_pcall(lua,0,0,0)) {
addReplyErrorFormat(c,"Error running script (new function): %s\n",
lua_tostring(lua,-1));
if (c != NULL) {
addReplyErrorFormat(c,"Error running script (new function): %s\n",
lua_tostring(lua,-1));
}
lua_pop(lua,1);
return C_ERR;
}
@ -1180,7 +1185,7 @@ int luaCreateFunction(client *c, lua_State *lua, char *funcname, robj *body) {
{
int retval = dictAdd(server.lua_scripts,
sdsnewlen(funcname+2,40),body);
serverAssertWithInfo(c,NULL,retval == DICT_OK);
serverAssertWithInfo(c ? c : server.lua_client,NULL,retval == DICT_OK);
incrRefCount(body);
}
return C_OK;