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rwlock: unbreak WITNESS builds after r326110

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Reported by:	Shawn Webb
This commit is contained in:
Mateusz Guzik 2017-11-23 03:20:12 +00:00
parent 70502e39d3
commit 62b0676cde
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=326111
1 changed files with 1 additions and 1 deletions
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2
sys/kern/kern_rwlock.c
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@ -551,7 +551,7 @@ __rw_rlock_hard(struct rwlock *rw, struct thread *td, uintptr_t v
/*
* The lock is held in write mode or it already has waiters.
*/
MPASS(!RW_CAN_READ(td, v));
MPASS(!__rw_can_read(td, v, false));
/*
* If the RW_LOCK_READ_WAITERS flag is already set, then