The commit 322ea0bb "mtd: switch ubi_open_volume_path() to vfs_stat()" breaks mounting ubifs volumes for me.
On kernel 4.7-rc3 I am getting the following error when trying to mount an ubifs volume. This volume in on a ubi file system which exports it as a mtd partition. root@lede:/# mkdir /tmp/test root@lede:/# mount -t ubifs /dev/ubi0_10 /tmp/test/ [ 178.782184] UBIFS error (pid: 955): cannot open "/dev/ubi0_10", error -22mount: mounting /dev/ubi0_10 on /tmp/test/ failed: Invalid argument root@lede:/# In the function ubi_open_volume_path() the call to vfs_stat() returns -EFAULT. After I reverted commit 322ea0bb it works again. Hauke
