Merge tag 'spi-fix-v7.0-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "There's a relatively large but ultimately simple fix for spidev here
  which addresses some ABBA races by simplifying down to just using a
  single lock, it's not clear to me that there was ever any benefit in
  having the two separate locks in the first place.

  We also have simple missing error check fix in in the wpcm-fiu driver"

* tag 'spi-fix-v7.0-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: spidev: fix lock inversion between spi_lock and buf_lock
  spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()