| commit | a2f73be8ee36e48f11f89ab705beb3c587a2f320 | [log] [tgz] |
|---|---|---|
| author | Peter Hurley <peter@hurleysoftware.com> | Sat Jun 15 09:14:22 2013 -0400 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Tue Jul 23 16:43:00 2013 -0700 |
| tree | 1612dd60ae378dfb1369001c2eed60265797f1c0 | |
| parent | bc5a5e3f45d047844830233fb95b19a95c864a0f [diff] |
n_tty: Remove read_cnt Storing the read_cnt creates an unnecessary shared variable between the single-producer (n_tty_receive_buf()) and the single-consumer (n_tty_read()). Compute read_cnt from head & tail instead of storing. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>