Re: [PATCH v4] rtw88: Remove unnecessary check code
From: Kalle Valo
Date: Sat Aug 21 2021 - 15:20:30 EST
Len Baker <len.baker@xxxxxxx> wrote:
> The rtw_pci_init_rx_ring function is only ever called with a fixed
> constant or RTK_MAX_RX_DESC_NUM for the "len" argument. Since this
> constant is defined as 512, the "if (len > TRX_BD_IDX_MASK)" check
> can never happen (TRX_BD_IDX_MASK is defined as GENMASK(11, 0) or in
> other words as 4095).
>
> So, remove this check.
>
> The true motivation for this patch is to silence a false Coverity
> warning.
>
> Reviewed-by: Brian Norris <briannorris@xxxxxxxxxxxx>
> Signed-off-by: Len Baker <len.baker@xxxxxxx>
Patch applied to wireless-drivers-next.git, thanks.
d816ce8744db rtw88: Remove unnecessary check code
--
https://patchwork.kernel.org/project/linux-wireless/patch/20210731163546.10753-1-len.baker@xxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches