Re: [PATCH 04/12] blk-cgroup: use correct format characters

[Christoph Hellwig]

On Thu, Jun 09, 2022 at 10:16:23PM +0000, Bill Wendling wrote:
>  	vsnprintf(bdi->dev_name, sizeof(bdi->dev_name), fmt, args);
> -	dev = device_create(bdi_class, NULL, MKDEV(0, 0), bdi, bdi->dev_name);
> +	dev = device_create(bdi_class, NULL, MKDEV(0, 0), bdi, "%s", bdi->dev_name);

Please avoid the overly long line.  But given that bdi names aren't user
input this warning seems to shoot from the hip a bit.