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From: Lee Jones <lee.jones@linaro.org>
To: Stefan Mavrodiev <stefan@olimex.com>
Cc: Heiko Stuebner <heiko@sntech.de>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/2] mfd: rk808: Check pm_power_off pointer
Date: Wed, 12 Jun 2019 10:41:31 +0100	[thread overview]
Message-ID: <20190612094131.GG4797@dell> (raw)
In-Reply-To: <20190607124226.17694-2-stefan@olimex.com>

On Fri, 07 Jun 2019, Stefan Mavrodiev wrote:

> The function pointer pm_power_off may point to function from other
> module (PSCI for example). If rk808 is removed, pm_power_off is
> overwritten to NULL and the system cannot be powered off.
> 
> This patch checks if pm_power_off points to a module function.
> 
> Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
> ---
> Changes is v3:
>  - Add explanation comments
> Changes in v2:
>  - Initial release actually
> 
>  drivers/mfd/rk808.c       | 17 +++++++++++------
>  include/linux/mfd/rk808.h |  1 +
>  2 files changed, 12 insertions(+), 6 deletions(-)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  reply	other threads:[~2019-06-12  9:41 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-07 12:42 [PATCH v3 0/2] mfd: rk808: Fix pointers and poweroff Stefan Mavrodiev
2019-06-07 12:42 ` [PATCH v3 1/2] mfd: rk808: Check pm_power_off pointer Stefan Mavrodiev
2019-06-12  9:41   ` Lee Jones [this message]
2019-06-07 12:42 ` [PATCH v3 2/2] mfd: rk808: Prepare rk805 for poweroff Stefan Mavrodiev
2019-06-12  9:41   ` Lee Jones

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