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SubjectRe: [PATCH AUTOSEL 5.0 70/98] tty: fix NULL pointer issue when tty_port ops is not set
On Mon, Apr 22, 2019 at 10:40:02PM +0200, Greg Kroah-Hartman wrote:
>On Mon, Apr 22, 2019 at 03:41:37PM -0400, Sasha Levin wrote:
>> From: Fabien Dessenne <fabien.dessenne@st.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@st.com>
>> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>> Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.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.

Dropped from my queue, thanks!

--
Thanks,
Sasha

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