netdev - Re: [PATCH net-next] net: qualcomm: rmnet: fix two pointer math bugs

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Message-ID: <20210621071158.GA1901@kadam>
Date:   Mon, 21 Jun 2021 10:11:58 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     subashab@...eaurora.org
Cc:     Sean Tranchetti <stranche@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net-next] net: qualcomm: rmnet: fix two pointer math bugs

On Sat, Jun 19, 2021 at 01:12:09PM -0600, subashab@...eaurora.org wrote:
> On 2021-06-19 07:52, Dan Carpenter wrote:
> 
> Hi Dan
> 
> Thanks for fixing this. Could you cast the ip4h to char* instead of void*.
> Looks like gcc might raise issues if -Wpointer-arith is used.
> 
> https://gcc.gnu.org/onlinedocs/gcc-4.5.0/gcc/Pointer-Arith.html#Pointer-Arith

The fix for that is to not enable -Wpointer-arith.  The warning is dumb.

regards,
dan carpenter