diff options
Diffstat (limited to 'sys/kern/kern_mutex.c')
| -rw-r--r-- | sys/kern/kern_mutex.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/kern_mutex.c b/sys/kern/kern_mutex.c index 8dc6a03..ba6efe5 100644 --- a/sys/kern/kern_mutex.c +++ b/sys/kern/kern_mutex.c @@ -670,8 +670,10 @@ mtx_init(struct mtx *m, const char *description, int opts) mtx_validate(m); #endif - bzero(m, sizeof(*m)); lock = &m->mtx_object; + KASSERT((lock->lo_flags & LO_INITIALIZED) == 0, + ("mutex %s %p already initialized", description, m)); + bzero(m, sizeof(*m)); if (opts & MTX_SPIN) lock->lo_class = &lock_class_mtx_spin; else |
