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Date:   Mon, 22 Apr 2019 22:40:02 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Fabien Dessenne <fabien.dessenne@...com>
Subject: Re: [PATCH AUTOSEL 5.0 70/98] tty: fix NULL pointer issue when
 tty_port ops is not set

On Mon, Apr 22, 2019 at 03:41:37PM -0400, Sasha Levin wrote:
> From: Fabien Dessenne <fabien.dessenne@...com>
> 
> [ Upstream commit f4e68d58cf2b20a581759bbc7228052534652673 ]
> 
> Unlike 'client_ops' which is initialized to 'default_client_ops', the
> port operations 'ops' may be left to NULL.
> Check the 'ops' value before checking the 'ops->x' value.
> 
> Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Sasha Levin (Microsoft) <sashal@...nel.org>
> ---
>  drivers/tty/tty_port.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)

Nope, I have a revert for this in my tree for 5.2-rc1, no need for this
in any stable tree, it doesn't do anything :)

Please drop it from all branches, thanks.

greg k-h

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