linux-kernel - Re: [PATCH 1/1] media: si470x-i2c: Move free() past last use of 'radio'

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Message-ID: <20200203143245.GA3220000@kroah.com>
Date:   Mon, 3 Feb 2020 14:32:45 +0000
From:   Greg KH <greg@...ah.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     stable@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] media: si470x-i2c: Move free() past last use of
 'radio'

On Mon, Feb 03, 2020 at 01:21:30PM +0000, Lee Jones wrote:
> A pointer to 'struct si470x_device' is currently used after free:
> 
>   drivers/media/radio/si470x/radio-si470x-i2c.c:462:25-30: ERROR: reference
>     preceded by free on line 460
> 
> Shift the call to free() down past its final use.
> 
> NB: Not sending to Mainline, since the problem does not exist there.

It doesn't exist there because of a bad merge?  What commit caused the
problem?

thanks,

greg k-h