media: use strscpy() instead of strlcpy()

The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab
2018-09-10 08:19:14 -04:00
父節點 b730c40813
當前提交 c0decac19d
共有 260 個文件被更改,包括 676 次插入665 次删除

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@@ -352,8 +352,8 @@ static int video_i2c_querycap(struct file *file, void *priv,
struct video_i2c_data *data = video_drvdata(file);
struct i2c_client *client = data->client;
strlcpy(vcap->driver, data->v4l2_dev.name, sizeof(vcap->driver));
strlcpy(vcap->card, data->vdev.name, sizeof(vcap->card));
strscpy(vcap->driver, data->v4l2_dev.name, sizeof(vcap->driver));
strscpy(vcap->card, data->vdev.name, sizeof(vcap->card));
sprintf(vcap->bus_info, "I2C:%d-%d", client->adapter->nr, client->addr);
@@ -378,7 +378,7 @@ static int video_i2c_enum_input(struct file *file, void *fh,
if (vin->index > 0)
return -EINVAL;
strlcpy(vin->name, "Camera", sizeof(vin->name));
strscpy(vin->name, "Camera", sizeof(vin->name));
vin->type = V4L2_INPUT_TYPE_CAMERA;
@@ -534,7 +534,7 @@ static int video_i2c_probe(struct i2c_client *client,
data->client = client;
v4l2_dev = &data->v4l2_dev;
strlcpy(v4l2_dev->name, VIDEO_I2C_DRIVER, sizeof(v4l2_dev->name));
strscpy(v4l2_dev->name, VIDEO_I2C_DRIVER, sizeof(v4l2_dev->name));
ret = v4l2_device_register(&client->dev, v4l2_dev);
if (ret < 0)