git: kernel - Fix rare race in mutex ownership transfer

[Matthew Dillon]

commit b5c75996da05808bcbe960ce85be01b04663cb5e
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Sat Mar 17 01:26:53 2018 -0700

    kernel - Fix rare race in mutex ownership transfer
    
    * Fix cases where competing mutexes can get confused over ownership,
      due to the mutex code not properly NULLing out the field in
      certain situations.

Summary of changes:
 sys/kern/kern_mutex.c |  9 +++++++++
 sys/sys/mutex2.h      | 10 ++++++++++
 2 files changed, 19 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b5c75996da05808bcbe960ce85be01b04663cb5e


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