linux-kernel - Re: [PATCH] rtc: fix a missing check of block data read

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Message-ID: <20190122180407.GF16702@piout.net>
Date:   Tue, 22 Jan 2019 19:04:07 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Kangjie Lu <kjlu@....edu>
Cc:     pakki001@....edu, Alessandro Zummo <a.zummo@...ertech.it>,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rtc: fix a missing check of block data read

On 25/12/2018 21:09:11-0600, Kangjie Lu wrote:
> When i2c_smbus_read_i2c_block_data() fails, the read data in "buf" could
> be incorrect and should not be used. The fix checks if
> i2c_smbus_read_i2c_block_data fails, and if so, return its error code
> upstream.
> 
> Signed-off-by: Kangjie Lu <kjlu@....edu>
> ---
>  drivers/rtc/rtc-hym8563.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
Applied, thanks.

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com