diff options
Diffstat (limited to 'sys/kern/kern_ktrace.c')
| -rw-r--r-- | sys/kern/kern_ktrace.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c index d38a0ce..5a40e09 100644 --- a/sys/kern/kern_ktrace.c +++ b/sys/kern/kern_ktrace.c @@ -271,9 +271,11 @@ ktr_freerequest(struct ktr_request *req) { crfree(req->ktr_cred); - mtx_lock(&Giant); - vrele(req->ktr_vp); - mtx_unlock(&Giant); + if (req->ktr_vp != NULL) { + mtx_lock(&Giant); + vrele(req->ktr_vp); + mtx_unlock(&Giant); + } mtx_lock(&ktrace_mtx); STAILQ_INSERT_HEAD(&ktr_free, req, ktr_list); mtx_unlock(&ktrace_mtx); |
