virtiofs: use strscpy for copying the queue name

Always null terminate fsvq->name.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: b43b7e81eb2b ("virtiofs: provide a helper function for virtqueue initialization")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index 94fc874..4cfa4bc 100644 (file)
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -649,7 +649,7 @@ static void virtio_fs_vq_done(struct virtqueue *vq)
 static void virtio_fs_init_vq(struct virtio_fs_vq *fsvq, char *name,
                              int vq_type)
 {
-       strncpy(fsvq->name, name, VQ_NAME_LEN);
+       strscpy(fsvq->name, name, VQ_NAME_LEN);
        spin_lock_init(&fsvq->lock);
        INIT_LIST_HEAD(&fsvq->queued_reqs);
        INIT_LIST_HEAD(&fsvq->end_reqs);