linux-kernel - Re: [PATCH net-next] net: stmmac: use correct pointer when printing normal descriptor ring

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Date:   Sun, 28 May 2017 00:59:37 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Niklas Cassel <niklas.cassel@...s.com>
Cc:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Niklas Cassel <niklass@...s.com>,
        netdev <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] net: stmmac: use correct pointer when printing
 normal descriptor ring

On Tue, May 9, 2017 at 7:52 PM, Niklas Cassel <niklas.cassel@...s.com> wrote:
> From: Niklas Cassel <niklas.cassel@...s.com>

Commit message?

>                         seq_printf(seq, "%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n",
> -                                  i, (unsigned int)virt_to_phys(ep),
> +                                  i, (unsigned int)virt_to_phys(p),

There is should not be casting. Pointer might be 64-bit, thus %pap
must be used instead with a reference to the physical address.

>                                    le32_to_cpu(p->des0), le32_to_cpu(p->des1),
>                                    le32_to_cpu(p->des2), le32_to_cpu(p->des3));
>                         p++;

-- 
With Best Regards,
Andy Shevchenko