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| author | Jiri Slaby <jslaby@suse.cz> | 2013-03-07 13:12:28 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-19 00:19:44 +0100 |
| commit | 6982a398426a22166eaf049b79544536fdd6429f (patch) | |
| tree | a59f9fb6d2560f3d6714a79389626a2ac3339853 | |
| parent | TTY: do not warn about setting speed via SPD_* (diff) | |
| download | linux-6982a398426a22166eaf049b79544536fdd6429f.tar.xz linux-6982a398426a22166eaf049b79544536fdd6429f.zip | |
TTY: msm_smd_tty, clean up activate/shutdown
Do not dig struct smd_tty_info out of tty_struct using
tty_port_tty_get. It is unnecessarily too complicated, use simple
container_of instead.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/msm_smd_tty.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/tty/serial/msm_smd_tty.c b/drivers/tty/serial/msm_smd_tty.c index e722ff163d91..1238ac370bff 100644 --- a/drivers/tty/serial/msm_smd_tty.c +++ b/drivers/tty/serial/msm_smd_tty.c @@ -90,13 +90,13 @@ static void smd_tty_notify(void *priv, unsigned event) static int smd_tty_port_activate(struct tty_port *tport, struct tty_struct *tty) { + struct smd_tty_info *info = container_of(tport, struct smd_tty_info, + port); int i, res = 0; - int n = tty->index; const char *name = NULL; - struct smd_tty_info *info = smd_tty + n; for (i = 0; i < smd_tty_channels_len; i++) { - if (smd_tty_channels[i].id == n) { + if (smd_tty_channels[i].id == tty->index) { name = smd_tty_channels[i].name; break; } @@ -117,17 +117,13 @@ static int smd_tty_port_activate(struct tty_port *tport, struct tty_struct *tty) static void smd_tty_port_shutdown(struct tty_port *tport) { - struct smd_tty_info *info; - struct tty_struct *tty = tty_port_tty_get(tport); + struct smd_tty_info *info = container_of(tport, struct smd_tty_info, + port); - info = tty->driver_data; if (info->ch) { smd_close(info->ch); info->ch = 0; } - - tty->driver_data = 0; - tty_kref_put(tty); } static int smd_tty_open(struct tty_struct *tty, struct file *f) |