base-files: prevent issues w/ overlay on powerloss after sysupgrade

[openwrt/openwrt.git] / package / base-files / files / lib / preinit / 80_mount_root

diff --git a/package/base-files/files/lib/preinit/80_mount_root b/package/base-files/files/lib/preinit/80_mount_root
index f3fe788e198729613d97f0f6179b78663db333f3..265a3f18df49043824a6d70609e6c95dc017496a 100644 (file)
--- a/package/base-files/files/lib/preinit/80_mount_root
+++ b/package/base-files/files/lib/preinit/80_mount_root
@@ -9,6 +9,8 @@ do_mount_root() {
                echo "- config restore -"
                cd /
                tar xzf /sysupgrade.tgz
+               # Prevent configuration corruption on a power loss
+               sync
        }
 }