Re: [PATCH 3/14 v3] ath9k: Check the return value of pcie_capability_read_*()

[Kalle Valo]

"Saheed O. Bolarinwa" <refactormyself@xxxxxxxxx> wrote:

> On failure pcie_capability_read_dword() sets it's last parameter, val
> to 0. However, with Patch 14/14, it is possible that val is set to ~0 on
> failure. This would introduce a bug because (x & x) == (~0 & x).
> 
> This bug can be avoided without changing the function's behaviour if the
> return value of pcie_capability_read_dword is checked to confirm success.
> 
> Check the return value of pcie_capability_read_dword() to ensure success.
> 
> Suggested-by: Bjorn Helgaas <bjorn@xxxxxxxxxxx>
> Signed-off-by: Bolarinwa Olayemi Saheed <refactormyself@xxxxxxxxx>
> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>

Patch applied to ath-next branch of ath.git, thanks.

9a8ab2bfb678 ath9k: Check the return value of pcie_capability_read_*()

-- 
https://patchwork.kernel.org/patch/11660731/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches