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v@gmail.com> tty: Always handle NULL flag ptr 2013-12-09T00:56:05+00:00 Peter Hurley 2013-12-02T18:56:03+00:00 urn:sha1:82f91fe092b6eacd82e976b8955443f9fd97d07e Most line disciplines already handle the undocumented NULL flag ptr in their .receive_buf method; however, several don't. Document the NULL flag ptr, and correct handling in the N_MOUSE, N_GSM0710 and N_R394 line disciplines. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>