media: tm6000: Avoid card name truncation
authorKees Cook <keescook@chromium.org>
Tue, 3 Aug 2021 19:46:10 +0000 (21:46 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 18 Nov 2021 18:16:29 +0000 (19:16 +0100)
[ 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@xs4all.nl>
Fixes: e28f49b0b2a8 ("V4L/DVB: tm6000: fix some info messages")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/media/usb/tm6000/tm6000-video.c

index 3f650ed..e293f6f 100644 (file)
@@ -852,8 +852,7 @@ 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;