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Date:   Mon, 11 Feb 2019 15:14:50 +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, Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.20 063/352] media: vivid: fill in media_device bus_info

4.20-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit e10b40f3304360d3a2d07d690ff12197f828f2c8 ]

If you create multiple vivid instances, each with their own media
device, then there was no way to tell them apart.

Fill in the bus_info so each instance has a unique bus_info string.

Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/platform/vivid/vivid-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c
index 626e2b24a403..ec1b1a8ea775 100644
--- a/drivers/media/platform/vivid/vivid-core.c
+++ b/drivers/media/platform/vivid/vivid-core.c
@@ -669,6 +669,8 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
 
 	/* Initialize media device */
 	strlcpy(dev->mdev.model, VIVID_MODULE_NAME, sizeof(dev->mdev.model));
+	snprintf(dev->mdev.bus_info, sizeof(dev->mdev.bus_info),
+		 "platform:%s-%03d", VIVID_MODULE_NAME, inst);
 	dev->mdev.dev = &pdev->dev;
 	media_device_init(&dev->mdev);
 	dev->mdev.ops = &vivid_media_ops;
-- 
2.19.1



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