luci-mod-admin-full: change supports_reset() test for factory reset

[project/luci.git] / modules / luci-mod-admin-full / luasrc / controller / admin / system.lua

diff --git a/modules/luci-mod-admin-full/luasrc/controller/admin/system.lua b/modules/luci-mod-admin-full/luasrc/controller/admin/system.lua
index 5478afa..51f9d9d 100644 (file)
--- a/modules/luci-mod-admin-full/luasrc/controller/admin/system.lua
+++ b/modules/luci-mod-admin-full/luasrc/controller/admin/system.lua
@@ -195,7 +195,7 @@ local function supports_sysupgrade()
 end
 
 local function supports_reset()
-       return (os.execute([[grep -sqE '"rootfs_data"|"ubi"' /proc/mtd]]) == 0)
+       return (os.execute([[grep -sq "^overlayfs:/overlay / overlay " /proc/mounts]]) == 0)
 end
 
 local function storage_size()