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SubjectRe: [PATCH v1 1/2] wireless: ray_cs: Utilize strnlen() in parse_addr()
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On Fri, 2022-06-03 at 19:44 +0300, Andy Shevchenko wrote:
> Instead of doing simple operations and using an additional variable on stack,
> utilize strnlen() and reuse len variable.
[]
> diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
[]
> + while (len > 0) {
> + if ((k = hex_to_bin(in_str[len--])) != -1)
> out[i] = k;
> else
> return 0;

could be reversed and unindented

>
> - if (j == 0)
> + if (len == 0)
> break;
> - if ((k = hex_to_bin(in_str[j--])) != -1)
> + if ((k = hex_to_bin(in_str[len--])) != -1)
> out[i] += k << 4;
> else
> return 0;

and here


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