Fix panic with unlocked vnode to vrecycle().

MFC after: 2 weeks
2017-02-18 05:07:53 +00:00 · 2017-02-18 05:07:53 +00:00 · 8e31b510b0
commit 8e31b510b0
parent a24c8eb847
1 changed files with 2 additions and 0 deletions
--- a/sys/kern/uipc_mqueue.c
+++ b/sys/kern/uipc_mqueue.c
@ -714,7 +714,9 @@ do_recycle(void *context, int pending __unused)
 {
 	struct vnode *vp = (struct vnode *)context;

+	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	vrecycle(vp);
+	VOP_UNLOCK(vp, 0);
 	vdrop(vp);
 }