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authorPeter Hurley <peter@hurleysoftware.com>2016-01-10 06:13:48 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-01-27 23:28:20 +0100
commita3123fd0a4a5f9d71afa0ffa82e2086281d81822 (patch)
tree563a30f70d71188c107b242c4735edb0e9fe3435 /drivers/tty/tty_io.c
parenttty: Remove !tty check from free_tty_struct() (diff)
downloadlinux-a3123fd0a4a5f9d71afa0ffa82e2086281d81822.tar.xz
linux-a3123fd0a4a5f9d71afa0ffa82e2086281d81822.zip
tty: Fix tty_init_termios() declaration
tty_init_termios() never returns an error; re-declare as void. Remove unnecessary error handling from callers. Remove extern declarations of tty_free_termios() and free_tty_struct() and re-declare in file scope. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index a59930e59660..742860e583ce 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -168,7 +168,7 @@ static void release_tty(struct tty_struct *tty, int idx);
* Locking: none. Must be called after tty is definitely unused
*/
-void free_tty_struct(struct tty_struct *tty)
+static void free_tty_struct(struct tty_struct *tty)
{
tty_ldisc_deinit(tty);
put_device(tty->dev);
@@ -1377,7 +1377,7 @@ static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver,
* the tty_mutex currently so we can be relaxed about ordering.
*/
-int tty_init_termios(struct tty_struct *tty)
+void tty_init_termios(struct tty_struct *tty)
{
struct ktermios *tp;
int idx = tty->index;
@@ -1395,16 +1395,12 @@ int tty_init_termios(struct tty_struct *tty)
/* Compatibility until drivers always set this */
tty->termios.c_ispeed = tty_termios_input_baud_rate(&tty->termios);
tty->termios.c_ospeed = tty_termios_baud_rate(&tty->termios);
- return 0;
}
EXPORT_SYMBOL_GPL(tty_init_termios);
int tty_standard_install(struct tty_driver *driver, struct tty_struct *tty)
{
- int ret = tty_init_termios(tty);
- if (ret)
- return ret;
-
+ tty_init_termios(tty);
tty_driver_kref_get(driver);
tty->count++;
driver->ttys[tty->index] = tty;
@@ -1566,7 +1562,7 @@ err_release_tty:
return ERR_PTR(retval);
}
-void tty_free_termios(struct tty_struct *tty)
+static void tty_free_termios(struct tty_struct *tty)
{
struct ktermios *tp;
int idx = tty->index;
@@ -1585,7 +1581,6 @@ void tty_free_termios(struct tty_struct *tty)
}
*tp = tty->termios;
}
-EXPORT_SYMBOL(tty_free_termios);
/**
* tty_flush_works - flush all works of a tty/pty pair