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Subject[PATCH v2 1/4] Revert "media: uvcvideo: Set unique vdev name based in type"
Date
A lot of userspace depends on a descriptive name for vdev. Without this
patch, users have a hard time figuring out which camera shall they use
for their video conferencing.

This reverts commit e3f60e7e1a2b451f538f9926763432249bcf39c4.

Cc: <stable@vger.kernel.org>
Fixes: e3f60e7e1a2b ("media: uvcvideo: Set unique vdev name based in type")
Reported-by: Nicolas Dufresne <nicolas@ndufresne.ca>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
drivers/media/usb/uvc/uvc_driver.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 7c007426e082..058d28a0344b 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2193,7 +2193,6 @@ int uvc_register_video_device(struct uvc_device *dev,
const struct v4l2_file_operations *fops,
const struct v4l2_ioctl_ops *ioctl_ops)
{
- const char *name;
int ret;

/* Initialize the video buffers queue. */
@@ -2222,20 +2221,16 @@ int uvc_register_video_device(struct uvc_device *dev,
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
default:
vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
- name = "Video Capture";
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
vdev->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
- name = "Video Output";
break;
case V4L2_BUF_TYPE_META_CAPTURE:
vdev->device_caps = V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING;
- name = "Metadata";
break;
}

- snprintf(vdev->name, sizeof(vdev->name), "%s %u", name,
- stream->header.bTerminalLink);
+ strscpy(vdev->name, dev->name, sizeof(vdev->name));

/*
* Set the driver data before calling video_register_device, otherwise
--
2.34.1.400.ga245620fadb-goog
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