linux-kernel - [PATCH] usb: gadget: f_uvc: make uvc_v4l2

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Date:   Wed, 27 Sep 2017 22:57:07 +0530
From:   Bhumika Goyal <bhumirks@...il.com>
To:     julia.lawall@...6.fr, laurent.pinchart@...asonboard.com,
        balbi@...nel.org, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Bhumika Goyal <bhumirks@...il.com>
Subject: [PATCH] usb: gadget: f_uvc: make uvc_v4l2_fops const

Make this const as it is only stored in the const field of a structure
video_device in the file referencing it. Make the declaration const too.

Done using Coccinelle.

Signed-off-by: Bhumika Goyal <bhumirks@...il.com>
---
 drivers/usb/gadget/function/uvc_v4l2.c | 2 +-
 drivers/usb/gadget/function/uvc_v4l2.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c
index 3e22b45..6612402 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.c
+++ b/drivers/usb/gadget/function/uvc_v4l2.c
@@ -354,7 +354,7 @@ static unsigned long uvcg_v4l2_get_unmapped_area(struct file *file,
 }
 #endif
 
-struct v4l2_file_operations uvc_v4l2_fops = {
+const struct v4l2_file_operations uvc_v4l2_fops = {
 	.owner		= THIS_MODULE,
 	.open		= uvc_v4l2_open,
 	.release	= uvc_v4l2_release,
diff --git a/drivers/usb/gadget/function/uvc_v4l2.h b/drivers/usb/gadget/function/uvc_v4l2.h
index 2683b92..ad6ca06 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.h
+++ b/drivers/usb/gadget/function/uvc_v4l2.h
@@ -17,6 +17,6 @@
 #define __UVC_V4L2_H__
 
 extern const struct v4l2_ioctl_ops uvc_v4l2_ioctl_ops;
-extern struct v4l2_file_operations uvc_v4l2_fops;
+extern const struct v4l2_file_operations uvc_v4l2_fops;
 
 #endif /* __UVC_V4L2_H__ */
-- 
1.9.1