Re: [PATCH 2/3] staging: r8188eu: Remove uninitialized use of ether_type in portctrl()

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On Thu, 12 Aug 2021 at 21:40, Nathan Chancellor <nathan@xxxxxxxxxx> wrote:
>
> After commit 987219ad34a6 ("staging: r8188eu: remove lines from Makefile
> that silence build warnings"), clang warns:
>
> drivers/staging/r8188eu/core/rtw_recv.c:499:8: warning: variable
> 'ether_type' is uninitialized when used here [-Wuninitialized]
>                         if (ether_type == eapol_type)
>                             ^~~~~~~~~~
> drivers/staging/r8188eu/core/rtw_recv.c:458:16: note: initialize the
> variable 'ether_type' to silence this warning
>         u16     ether_type;
>                           ^
>                            = 0
> 1 warning generated.
>
> This if statement sets the exact same assignment as above so just remove
> it.
>
> Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> ---
>  drivers/staging/r8188eu/core/rtw_recv.c | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/core/rtw_recv.c b/drivers/staging/r8188eu/core/rtw_recv.c
> index 9b3637e49052..8df38db9572c 100644
> --- a/drivers/staging/r8188eu/core/rtw_recv.c
> +++ b/drivers/staging/r8188eu/core/rtw_recv.c
> @@ -495,10 +495,6 @@ static struct recv_frame *portctrl(struct adapter *adapter, struct recv_frame *p
>                         /* allowed */
>                         /* check decryption status, and decrypt the frame if needed */
>                         prtnframe = precv_frame;
> -                       /* check is the EAPOL frame or not (Rekey) */
> -                       if (ether_type == eapol_type)
> -                               /* check Rekey */
> -                               prtnframe = precv_frame;
>                 }
>         } else {
>                 prtnframe = precv_frame;
> --
> 2.33.0.rc2
>

Thanks again.

Acked-by: Phillip Potter <phil@xxxxxxxxxxxxxxxx>

Regards,
Phil




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