tty: serial/68328serial.c: remove unnecessary null pointer check

The pointer info is dereferened in line 1009, so it is not necessary to check
null again in line 1012.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed