msm: camera: core : Validate the dev name during the node ioctl handler

Validate the context device name with node name. If device name is
not matching return the error.

Change-Id: I8dee4e6f64e17b0d1e486077a2c8b0df562a702e
Signed-off-by: Rishabh Jain <risjai@codeaurora.org>

drivers/cam_lrme/cam_lrme_context.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
  */
 
 #include <linux/module.h>
@@ -9,7 +9,7 @@
 #include "cam_debug_util.h"
 #include "cam_lrme_context.h"
 
-static const char lrme_dev_name[] = "lrme";
+static const char lrme_dev_name[] = "cam-lrme";
 
 static int __cam_lrme_ctx_acquire_dev_in_available(struct cam_context *ctx,
 	struct cam_acquire_dev_cmd *cmd)