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06d1828925
This corrects a crash in kgdb_nmi_tty_shutdown() which occurs when the function is called with port->tty set to NULL. All conversions between struct tty_port and struct kgdb_nmi_tty_priv have been switched to direct calls to container_of() to improve code clarity and consistancy. Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>