TTY: ircomm, use tty_port_close_end helper
TTY: ircomm, use tty_port_close_end helper

Again, the code is identical, so leverage the helper code.

Signed-off-by: Jiri Slaby <dfbf39eb5bf303a3db5454d815cb8c8888cbadf9@suse.cz>
Cc: Samuel Ortiz <c16aab9fe3288df0fb8fc1d24990a300b6b8f299@sortiz.org>
Cc: 1099b3bee480025a15c1b622ecdea77a1d6d7166@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs