UBI patches

[Sascha Hauer]

These are some UBI fixes directly taken from Kernel commits.

Sascha

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Richard Genoud (2):
      UBI: fastmap: fix backward compatibility with image_seq
      UBI: simplify image sequence test

Richard Weinberger (7):
      UBI: Fix PEB leak in wear_leveling_worker()
      UBI: Fix invalidate_fastmap()
      UBI: fix refill_wl_user_pool()
      UBI: Fix error path in scan_pool()
      UBI: Call scan_all() with correct offset in error case
      UBI: Fix memory leak in ubi_attach_fastmap() error path
      UBI: Add some asserts to ubi_attach_fastmap()

 drivers/mtd/ubi/attach.c  | 11 ++++++-----
 drivers/mtd/ubi/fastmap.c | 46 ++++++++++++++++++++++++++++++++++++++--------
 drivers/mtd/ubi/wl.c      |  7 +++----
 3 files changed, 47 insertions(+), 17 deletions(-)