luci-base: fix logic errors in ipmask4 and ipmask6 datatype validators

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/modules/luci-base/luasrc/cbi/datatypes.lua b/modules/luci-base/luasrc/cbi/datatypes.lua
index 98f6a44d77e7929fadce3b0ad1c494bf677f0dcd..72b41ddad89386e4a13c6e715cf747643f67cb60 100644 (file)
--- a/modules/luci-base/luasrc/cbi/datatypes.lua
+++ b/modules/luci-base/luasrc/cbi/datatypes.lua
@@ -143,7 +143,7 @@ function ipmask4(val)
                return false
        end
 
-       if not bits and not ip4addr(mask) then
+       if not bits and mask and not ip4addr(mask) then
                return false
        end
 
@@ -158,7 +158,7 @@ function ipmask6(val)
                return false
        end
 
-       if not bits and not ip6addr(mask) then
+       if not bits and mask and not ip6addr(mask) then
                return false
        end