X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=libs%2Fweb%2Fluasrc%2Fcbi%2Fdatatypes.lua;h=3c768ab7623e03885eb8a3b735541d7b1a0d2e5e;hp=fc3048e37e40524d4c292411824e99479d219b7d;hb=c5811d52d0dbcf059418462ae983aaa09aa076b5;hpb=3bccd252811bde56656fd23719a9c6122e4e42ca

diff --git a/libs/web/luasrc/cbi/datatypes.lua b/libs/web/luasrc/cbi/datatypes.lua
index fc3048e37..3c768ab76 100644
--- a/libs/web/luasrc/cbi/datatypes.lua
+++ b/libs/web/luasrc/cbi/datatypes.lua
@@ -141,7 +141,10 @@ function macaddr(val)
 end
 
 function hostname(val)
-	if val and (#val < 254) and val.match(val, "^[a-zA-Z0-9][a-zA-Z0-9%-%.]*[a-zA-Z0-9]$") then
+	if val and (#val < 254) and (
+	   val:match("^[a-zA-Z0-9]+$") or
+	   val:match("^[a-zA-Z0-9][a-zA-Z0-9%-%.]*[a-zA-Z0-9]$")
+	) then
 		return true
 	end
 	return false