--- /dev/null
+From 4b78daea312bd39e892eb94f8c7905e2d5b682b4 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Mon, 13 May 2019 16:47:54 +0100
+Subject: [PATCH] staging: vcsm-cma: Alter dev node permissions to 0666
+
+Until the udev rules are updated, open up access to this node by
+default.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/staging/vc04_services/vc-sm-cma/vc_sm.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
++++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
+@@ -1572,6 +1572,8 @@ static void vc_sm_connected_init(void)
+ sm_state->misc_dev.name = DEVICE_NAME;
+ sm_state->misc_dev.fops = &vc_sm_ops;
+ sm_state->misc_dev.parent = NULL;
++ /* Temporarily set as 666 until udev rules have been sorted */
++ sm_state->misc_dev.mode = 0666;
+ ret = misc_register(&sm_state->misc_dev);
+ if (ret) {
+ pr_err("vcsm-cma: failed to register misc device.\n");