On Tue, Aug 10, 2021 at 3:06 PM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > On Mon, Aug 9, 2021 at 7:14 PM Len Baker <len.baker@xxxxxxx> wrote: > Even if we leave the logic as is, this might be better > > if (orient[0] == '-') > str = devm_kstrdup(dev, orient + 1, GFP_KERNEL); > else if (orient[0] != '0' || orient[1] != '\0') > str = devm_kasprintf(dev, GFP_KERNEL, "-%s", orient); > else > str = devm_kstrdup(dev, orient, GFP_KERNEL); Or these two swapped for better reading else if (orient[0] == '0' **&& orient[1] == '\0') str = devm_kstrdup(dev, orient, GFP_KERNEL); else str = devm_kasprintf(dev, GFP_KERNEL, "-%s", orient); And with a comment added that we negate the result according to the rules: 1) drop leading '-' (minus); 2) leave 0 as is; add leading '-' (minus). > if (!str) > return -ENOMEM; -- With Best Regards, Andy Shevchenko