linux-kernel - [PATCH v8 10/19] media: uvcvideo: Use dev->name for querycap()

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Date:   Fri, 19 Mar 2021 18:08:57 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        tfiga@...omium.org
Cc:     Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v8 10/19] media: uvcvideo: Use dev->name for querycap()

Use the device name for the card name instead of vdev->name.

Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Suggested-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/usb/uvc/uvc_metadata.c | 2 +-
 drivers/media/usb/uvc/uvc_v4l2.c     | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_metadata.c b/drivers/media/usb/uvc/uvc_metadata.c
index b6279ad7ac84..82de7781f5b6 100644
--- a/drivers/media/usb/uvc/uvc_metadata.c
+++ b/drivers/media/usb/uvc/uvc_metadata.c
@@ -30,7 +30,7 @@ static int uvc_meta_v4l2_querycap(struct file *file, void *fh,
 	struct uvc_video_chain *chain = stream->chain;
 
 	strscpy(cap->driver, "uvcvideo", sizeof(cap->driver));
-	strscpy(cap->card, vfh->vdev->name, sizeof(cap->card));
+	strscpy(cap->card, stream->dev->name, sizeof(cap->card));
 	usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info));
 	cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING
 			  | chain->caps;
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 1eeeb00280e4..9cdd30eff495 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -617,13 +617,12 @@ static int uvc_v4l2_release(struct file *file)
 static int uvc_ioctl_querycap(struct file *file, void *fh,
 			      struct v4l2_capability *cap)
 {
-	struct video_device *vdev = video_devdata(file);
 	struct uvc_fh *handle = file->private_data;
 	struct uvc_video_chain *chain = handle->chain;
 	struct uvc_streaming *stream = handle->stream;
 
 	strscpy(cap->driver, "uvcvideo", sizeof(cap->driver));
-	strscpy(cap->card, vdev->name, sizeof(cap->card));
+	strscpy(cap->card, handle->stream->dev->name, sizeof(cap->card));
 	usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info));
 	cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING
 			  | chain->caps;
-- 
2.31.0.rc2.261.g7f71774620-goog