luci-mod-system: fstab: fix table cell rendering without unmount button

Signed-off-by: Anton Kikin <a.kikin@tano-systems.com>

1 files changed, 7 insertions, 7 deletions

diff --git a/modules/luci-mod-system/luasrc/model/cbi/admin_system/fstab.lua b/modules/luci-mod-system/luasrc/model/cbi/admin_system/fstab.lua
index 6f0921fdc..4a31146a0 100644
--- a/modules/luci-mod-system/luasrc/model/cbi/admin_system/fstab.lua
+++ b/modules/luci-mod-system/luasrc/model/cbi/admin_system/fstab.lua
@@ -117,14 +117,14 @@ function used.cfgvalue(self, section)
 end
 
 unmount = v:option(Button, "unmount", translate("Unmount"))
+function unmount.cfgvalue(self, section)
+	return non_system_mounts[section].umount
+end
+
 unmount.render = function(self, section, scope)
-	if non_system_mounts[section].umount then
-		self.title = translate("Unmount")
-		self.inputstyle = "remove"
-        	Button.render(self, section, scope)
-	else
-		luci.http.write(" ")
-	end
+	self.title = translate("Unmount")
+	self.inputstyle = "remove"
+	Button.render(self, section, scope)
 end
 
 unmount.write = function(self, section)