From: Tobias Ulmer <tu@emlix.com>
Date: Tue, 16 May 2017 10:29:57 +0000 (+0200)
Subject: err: stop evaluation of debug.traceback() every time
X-Git-Tag: e2factory-2.3.17p0~6
X-Git-Url: https://git.e2factory.org/?a=commitdiff_plain;h=6afaefc151e0b355bc07b01a1f2c0f38d25f2ede;p=e2factory.git

err: stop evaluation of debug.traceback() every time

Signed-off-by: Tobias Ulmer <tu@emlix.com>
---

diff --git a/generic/err.lua b/generic/err.lua
index 7b20fd0..2a5fd77 100644
--- a/generic/err.lua
+++ b/generic/err.lua
@@ -23,7 +23,9 @@ local e2lib = require("e2lib")
 local strict = require("strict")
 
 local function assert_err(e)
-    assert(type(e) == "table", "No error table supplied: "..debug.traceback())
+    if type(e) ~= "table" then -- prevent calling debug.traceback() everytime
+        assert(type(e) == "table", "No error table supplied: "..debug.traceback())
+    end
     assert(type(e.count) == "number", "Error count is not a number")
     assert(type(e.msg) == "table", "Error message table of wrong type")
     return true