linux-kernel - [PATCH 5.10 207/575] media: ipu3-imgu: VIDIOC_QUERYCAP: Fix bus

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Date:   Mon, 15 Nov 2021 17:58:52 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Bingbu Cao <bingbu.cao@...el.com>,
        Ricardo Ribalda <ribalda@...omium.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 207/575] media: ipu3-imgu: VIDIOC_QUERYCAP: Fix bus_info

From: Ricardo Ribalda <ribalda@...omium.org>

[ Upstream commit ea2b9a33711604e91f8c826f4dcb3c12baa1990a ]

bus_info field had a different value for the media entity and the video
device.

Fixes v4l2-compliance:

v4l2-compliance.cpp(637): media bus_info 'PCI:0000:00:05.0' differs from
			  V4L2 bus_info 'PCI:viewfinder'

Reviewed-by: Bingbu Cao <bingbu.cao@...el.com>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/staging/media/ipu3/ipu3-v4l2.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c
index 7926a777cbc8b..103f84466f6fc 100644
--- a/drivers/staging/media/ipu3/ipu3-v4l2.c
+++ b/drivers/staging/media/ipu3/ipu3-v4l2.c
@@ -592,11 +592,12 @@ static const struct imgu_fmt *find_format(struct v4l2_format *f, u32 type)
 static int imgu_vidioc_querycap(struct file *file, void *fh,
 				struct v4l2_capability *cap)
 {
-	struct imgu_video_device *node = file_to_intel_imgu_node(file);
+	struct imgu_device *imgu = video_drvdata(file);
 
 	strscpy(cap->driver, IMGU_NAME, sizeof(cap->driver));
 	strscpy(cap->card, IMGU_NAME, sizeof(cap->card));
-	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", node->name);
+	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
+		 pci_name(imgu->pci_dev));
 
 	return 0;
 }
-- 
2.33.0