only mount sysfs once (thx, ejka)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6504 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/sbin/mount_root b/package/base-files/files/sbin/mount_root
index 4fa048f..9a87fad 100755 (executable)
--- a/package/base-files/files/sbin/mount_root
+++ b/package/base-files/files/sbin/mount_root
@@ -28,5 +28,3 @@ mount none /dev/pts -t devpts
                }
        } || mount -o remount,rw /dev/root /
 }
-
-grep sysfs /proc/filesystems >/dev/null && mount -t sysfs none /sys 2>&-