Re: [PATCH] printk: Userspace format enumeration support

[Chris Down]

Oh, and one more I just spotted and will fix in v2 after other feedback is in:

Chris Down writes:
> +static void store_printk_fmt_sec(const struct module *mod, const char **start,
> +				 const char **end)
> +{
> +	struct printk_fmt_sec *ps = NULL;
> +	const char **fptr = NULL;
> +	size_t size = 0;
> +
> +	ps = kmalloc(sizeof(struct printk_fmt_sec), GFP_KERNEL);
> +	if (!ps)
> +		return;
> +
> +	ps->module = mod;
> +	ps->start = start;
> +	ps->end = end;
> +
> +	for (fptr = ps->start; fptr < ps->end; fptr++)
> +		size += strlen(*fptr) + 1;

This still works, but is out of date and doesn't account for the module and 
comma, so results in one more unnecessary round trip doing seq_buf_alloc.