diff options
| -rw-r--r-- | sys/kern/kern_lockf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/kern/kern_lockf.c b/sys/kern/kern_lockf.c index 86855ea34836..6c96c9c0a485 100644 --- a/sys/kern/kern_lockf.c +++ b/sys/kern/kern_lockf.c @@ -234,6 +234,7 @@ lf_setlock(lock) /* The block is waiting on something */ wproc = (struct proc *)block->lf_id; + mtx_lock_spin(&sched_lock); while (wproc->p_wchan && (wproc->p_wmesg == lockstr) && (i++ < maxlockdepth)) { @@ -244,10 +245,12 @@ lf_setlock(lock) break; wproc = (struct proc *)waitblock->lf_id; if (wproc == (struct proc *)lock->lf_id) { + mtx_unlock_spin(&sched_lock); free(lock, M_LOCKF); return (EDEADLK); } } + mtx_unlock_spin(&sched_lock); } /* * For flock type locks, we must first remove |