On Mon, Apr 22, 2019 at 03:41:37PM -0400, Sasha Levin wrote: > From: Fabien Dessenne <fabien.dessenne@xxxxxx> > > [ 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@xxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Sasha Levin (Microsoft) <sashal@xxxxxxxxxx> > --- > 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