summaryrefslogtreecommitdiffstats
path: root/fs/fuse/virtio_fs.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/fuse/virtio_fs.c')
-rw-r--r--fs/fuse/virtio_fs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index 2c7b24cb67ad..53c2626e90e7 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -1669,6 +1669,9 @@ static int virtio_fs_get_tree(struct fs_context *fsc)
unsigned int virtqueue_size;
int err = -EIO;
+ if (!fsc->source)
+ return invalf(fsc, "No source specified");
+
/* This gets a reference on virtio_fs object. This ptr gets installed
* in fc->iq->priv. Once fuse_conn is going away, it calls ->put()
* to drop the reference to this object.