* luci/libs: uvl: fix crash when trying to validate malformed or not-existing configu...

[project/luci.git] / libs / uvl / luasrc / uvl.lua

diff --git a/libs/uvl/luasrc/uvl.lua b/libs/uvl/luasrc/uvl.lua
index 5cad3d2..24dc3a2 100644 (file)
--- a/libs/uvl/luasrc/uvl.lua
+++ b/libs/uvl/luasrc/uvl.lua
@@ -971,7 +971,7 @@ section = luci.util.class(uvlitem)
 
 function section.__init__(self, scheme, co, c, s)
        self.cref = { c, s }
-       self.sref = { c, co[s] and co[s]['.type'] or s }
+       self.sref = { c, co and co[s] and co[s]['.type'] or s }
        self.c    = co
        self.s    = scheme
        self.t    = luci.uvl.TYPE_SECTION
@@ -1022,7 +1022,7 @@ option = luci.util.class(uvlitem)
 
 function option.__init__(self, scheme, co, c, s, o)
        self.cref = { c, s, o }
-       self.sref = { c, co[s] and co[s]['.type'] or s, o }
+       self.sref = { c, co and co[s] and co[s]['.type'] or s, o }
        self.c    = co
        self.s    = scheme
        self.t    = luci.uvl.TYPE_OPTION
@@ -1071,7 +1071,7 @@ enum = luci.util.class(option)
 
 function enum.__init__(self, scheme, co, c, s, o, v)
        self.cref = { c, s, o, v }
-       self.sref = { c, co[s] and co[s]['.type'] or s, o, v }
+       self.sref = { c, co and co[s] and co[s]['.type'] or s, o, v }
        self.c    = co
        self.s    = scheme
        self.t    = luci.uvl.TYPE_ENUM