linux-kernel - [PATCH 5.4 203/355] media: tm6000: Avoid card name truncation

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Message-Id: <20211115165320.328889270@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 18:02:07 +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>,
        Kees Cook <keescook@...omium.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 203/355] media: tm6000: Avoid card name truncation

From: Kees Cook <keescook@...omium.org>

[ Upstream commit 42bb98e420d454fef3614b70ea11cc59068395f6 ]

The "card" string only holds 31 characters (and the terminating NUL).
In order to avoid truncation, use a shorter card description instead of
the current result, "Trident TVMaster TM5600/6000/60".

Suggested-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Fixes: e28f49b0b2a8 ("V4L/DVB: tm6000: fix some info messages")
Signed-off-by: Kees Cook <keescook@...omium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/usb/tm6000/tm6000-video.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c
index c46cbcfafab3f..8874b0b922eee 100644
--- a/drivers/media/usb/tm6000/tm6000-video.c
+++ b/drivers/media/usb/tm6000/tm6000-video.c
@@ -854,8 +854,7 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
 
 	strscpy(cap->driver, "tm6000", sizeof(cap->driver));
-	strscpy(cap->card, "Trident TVMaster TM5600/6000/6010",
-		sizeof(cap->card));
+	strscpy(cap->card, "Trident TM5600/6000/6010", sizeof(cap->card));
 	usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
 	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
 			    V4L2_CAP_DEVICE_CAPS;
-- 
2.33.0