[PATCH 0/4] pinctrl: use kcalloc() instead of kzalloc()

Linus Walleij linus.walleij at linaro.org
Thu Aug 21 04:29:17 PDT 2025


On Tue, Aug 19, 2025 at 4:39 PM Qianfeng Rong <rongqianfeng at vivo.com> wrote:

> Replace devm_kzalloc() with devm_kcalloc() in drivers/pinctrl.  As noted
> in the kernel documentation [1], open-coded multiplication in allocator
> arguments is discouraged because it can lead to integer overflow.
>
> Use devm_kcalloc() to gain built-in overflow protection, making memory
> allocation safer when calculating allocation size compared to explicit
> multiplication.

All patches applied!

Yours,
Linus Walleij



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