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-rw-r--r--sys/kern/kern_sx.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/kern/kern_sx.c b/sys/kern/kern_sx.c
index e744f31..70b860c 100644
--- a/sys/kern/kern_sx.c
+++ b/sys/kern/kern_sx.c
@@ -348,8 +348,12 @@ _sx_assert(struct sx *sx, int what, const char *file, int line)
#ifdef WITNESS
witness_assert(&sx->sx_object, what, file, line);
#else
+ /*
+ * We are able to check only exclusive lock here,
+ * we cannot assert that *this* thread owns slock.
+ */
mtx_lock(sx->sx_lock);
- if (sx->sx_cnt != 0 && sx->sx_xholder == curthread)
+ if (sx->sx_xholder == curthread)
printf("Lock %s locked @ %s:%d\n",
sx->sx_object.lo_name, file, line);
mtx_unlock(sx->sx_lock);
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