1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/staging/media/dt3155v4l/dt3155v4l.c b/drivers/staging/media/dt3155v4l/dt3155v4l.c
index 280c84ec4cc2..c365cdf714ea 100644
--- a/drivers/staging/media/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/media/dt3155v4l/dt3155v4l.c
@@ -898,6 +898,10 @@ dt3155_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         INIT_LIST_HEAD(&pd->dmaq);
         mutex_init(&pd->mux);
         pd->vdev->lock = &pd->mux; /* for locking v4l2_file_operations */
+        /* Locking in file operations other than ioctl should be done
+           by the driver, not the V4L2 core.
+           This driver needs auditing so that this flag can be removed. */
+        set_bit(V4L2_FL_LOCK_ALL_FOPS, &pd->vdev->flags);
         spin_lock_init(&pd->lock);
         pd->csr2 = csr2_init;
         pd->config = config_init;