block-extroot: make overlay mount check more explicit, it wrongly detected /tmp/overl...

SVN-Revision: 20390

diff --git a/package/block-extroot/files/50_determine_usb_root b/package/block-extroot/files/50_determine_usb_root
index 192990c919ea5c3c1aad6e9afb0c63e9aa428de7..0de9be3846878cc11afe83fd772b2531f3d48898 100644 (file)
--- a/package/block-extroot/files/50_determine_usb_root
+++ b/package/block-extroot/files/50_determine_usb_root
@@ -38,7 +38,7 @@ determine_external_root() {
                config_load fstab
                config_foreach config_mount_by_section mount 1
                
-               [ "$rootfs_found" = "1" ] && grep -q /overlay /proc/mounts && { 
+               [ "$rootfs_found" = "1" ] && grep -q ' /overlay ' /proc/mounts && { 
                        pi_extroot_mount_success=true
                        pi_mount_skip_next=false
                }