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-rw-r--r--sys/sys/condvar.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/sys/condvar.h b/sys/sys/condvar.h
index 5460024..5446a5e 100644
--- a/sys/sys/condvar.h
+++ b/sys/sys/condvar.h
@@ -63,7 +63,7 @@ void cv_broadcast(struct cv *cvp);
void cv_waitq_remove(struct proc *p);
-#define cv_waitq_empty(cvp) (TAILQ_EMPTY(&cvp->cv_waitq))
+#define cv_waitq_empty(cvp) (TAILQ_EMPTY(&(cvp)->cv_waitq))
#define cv_wmesg(cvp) ((cvp)->cv_description)
#endif /* _KERNEL */
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