Merge branch 'ipmi' (ipmi patches from Corey Minyard)

Merge ipmi fixes from Corey Minyard:
 "Just some collected fixes for 3.14.  Nothing huge"

* emailed patches from Corey Minyard <[email protected]>:
  ipmi: Cleanup error return
  ipmi: fix timeout calculation when bmc is disconnected
  ipmi: use USEC_PER_SEC instead of 1000000 for more meaningful
  ipmi: remove deprecated IRQF_DISABLED