diff options
Diffstat (limited to 'sys/vm/vm_mmap.c')
| -rw-r--r-- | sys/vm/vm_mmap.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index c17e9ce..ef63f85 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -1284,7 +1284,7 @@ vm_mmap_vnode(struct thread *td, vm_size_t objsize, error = EINVAL; goto done; } - if (obj->handle != vp) { + if (obj->type == OBJT_VNODE && obj->handle != vp) { vput(vp); vp = (struct vnode *)obj->handle; /* @@ -1333,7 +1333,14 @@ vm_mmap_vnode(struct thread *td, vm_size_t objsize, objsize = round_page(va.va_size); if (va.va_nlink == 0) flags |= MAP_NOSYNC; - obj = vm_pager_allocate(OBJT_VNODE, vp, objsize, prot, foff, cred); + if (obj->type == OBJT_VNODE) + obj = vm_pager_allocate(OBJT_VNODE, vp, objsize, prot, foff, + cred); + else { + KASSERT(obj->type == OBJT_DEFAULT || obj->type == OBJT_SWAP, + ("wrong object type")); + vm_object_reference(obj); + } if (obj == NULL) { error = ENOMEM; goto done; |
