svn commit: r311226 - head/sys/kern

[Mateusz Guzik]

Author: mjg
Date: Wed Jan  4 02:25:31 2017
New Revision: 311226
URL: https://svnweb.freebsd.org/changeset/base/311226

Log:
  mtx: plug open-coded mtx_lock access missed in r311172

Modified:
  head/sys/kern/kern_mutex.c

Modified: head/sys/kern/kern_mutex.c
==============================================================================
--- head/sys/kern/kern_mutex.c	Wed Jan  4 02:19:13 2017	(r311225)
+++ head/sys/kern/kern_mutex.c	Wed Jan  4 02:25:31 2017	(r311226)
@@ -545,7 +545,7 @@ __mtx_lock_sleep(volatile uintptr_t *c, 
 			    m->lock_object.lo_name);
 			do {
 				lock_delay(&lda);
-				v = m->mtx_lock;
+				v = MTX_READ_VALUE(m);
 				owner = lv_mtx_owner(v);
 			} while (v != MTX_UNOWNED && TD_IS_RUNNING(owner));
 			KTR_STATE0(KTR_SCHED, "thread",