cvs commit: src/sys/dev/ath if_ath.c

[Sam Leffler]

sam         2007-05-29 16:13:59 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/ath          if_ath.c 
  Log:
  Drain task q items when transitioning to INIT state; this closes a
  race seen on smp laptops when suspending where the rx task can be
  entered after the interface is detach'd.
  
  NB: use of taskqueue_drain while holding the softc mutex is problematic
  
  Submitted by:   ambrisko
  MFC after:      1 month
  
  Revision  Changes    Path
  1.168     +10 -5     src/sys/dev/ath/if_ath.c