linux-kernel - Re: [PATCH v1] ARM: bcm2835: Fix integer overflow in rpi_firmware_print_firmware

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Message-ID: <20200617010819.GA1004177@jagdpanzerIV.localdomain>
Date:   Wed, 17 Jun 2020 10:08:19 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Stefan Wahren <wahrenst@....net>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH v1] ARM: bcm2835: Fix integer overflow in
 rpi_firmware_print_firmware_revision()

On (20/06/16 18:42), Nicolas Saenz Julienne wrote:
> On Tue, 2020-06-16 at 19:31 +0300, Andy Shevchenko wrote:
> > time64_t is 64-bit width type, we are not supposed to supply lesser ones
> > as in the case of rpi_firmware_print_firmware_revision() after the commit
> > 4a60f58ee002 ("ARM: bcm2835: Switch to use %ptT"). Use temporary variable
> > of time64_t type to correctly handle lesser types.
> > 
> > Fixes: 4a60f58ee002 ("ARM: bcm2835: Switch to use %ptT")
[..]
>
> If this doesn't fit the printk tree I don't mind taking it trough the rpi soc
> tree.

I think, for this patch, SoC tree might be a better fit
than printk tree, thanks.

	-ss