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-rw-r--r--modules/luci-base/luasrc/cbi/datatypes.lua4
1 files changed, 2 insertions, 2 deletions
diff --git a/modules/luci-base/luasrc/cbi/datatypes.lua b/modules/luci-base/luasrc/cbi/datatypes.lua
index 98f6a44d7..72b41ddad 100644
--- 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