Re: [PATCH] staging: rtl8723bs: Use array_size() in rtw_spt_band_alloc

From: Joshua Crofts

Date: Wed Apr 01 2026 - 16:58:20 EST


On Wed, 1 Apr 2026 at 20:15, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> Can this ever overflow? Who controls n_channels, and why isn't it
> bounds check before this? Also, this is just getting a pointer to a
> structure, it's not overflowing a size of an allocation.

Hi Greg,

You're right, this is pointer arithmetic, not an alloc. I was investigating a
Coccinelle warning and hadn't fully considered the context. This is my
first kernel patch after all.

Please drop this patch and thanks for your time reviewing it.

Kind regards

CJD