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author | Peter Hurley <peter@hurleysoftware.com> | 2014-10-16 22:59:41 +0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-06 03:26:13 +0300 |
commit | 8f166e00196fcb16364c9c39dab6fe7b72e63f18 (patch) | |
tree | ae7ee526ab47f6daecc4ff3a4173bfc71a6082c5 | |
parent | edf4edacb331caf326a2e0f15d81c549bd9bede7 (diff) | |
download | linux-8f166e00196fcb16364c9c39dab6fe7b72e63f18.tar.xz |
tty: Remove tty_pair_get_tty()/tty_pair_get_pty() api
tty_pair_get_pty() has no in-tree users and tty_pair_get_tty()
has only one file-local user. Remove the external declarations,
the export declarations, and declare tty_pair_get_tty() static.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/tty/tty_io.c | 16 | ||||
-rw-r--r-- | include/linux/tty.h | 3 |
2 files changed, 5 insertions, 14 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index c322e7af7373..d3e71331641b 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2703,23 +2703,17 @@ static int tty_tiocgicount(struct tty_struct *tty, void __user *arg) return 0; } -struct tty_struct *tty_pair_get_tty(struct tty_struct *tty) +/* + * if pty, return the slave side (real_tty) + * otherwise, return self + */ +static struct tty_struct *tty_pair_get_tty(struct tty_struct *tty) { if (tty->driver->type == TTY_DRIVER_TYPE_PTY && tty->driver->subtype == PTY_TYPE_MASTER) tty = tty->link; return tty; } -EXPORT_SYMBOL(tty_pair_get_tty); - -struct tty_struct *tty_pair_get_pty(struct tty_struct *tty) -{ - if (tty->driver->type == TTY_DRIVER_TYPE_PTY && - tty->driver->subtype == PTY_TYPE_MASTER) - return tty; - return tty->link; -} -EXPORT_SYMBOL(tty_pair_get_pty); /* * Split this up, as gcc can choke on it otherwise.. diff --git a/include/linux/tty.h b/include/linux/tty.h index 5171ef8f7b85..b36b0b445c1f 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -498,9 +498,6 @@ extern int tty_init_termios(struct tty_struct *tty); extern int tty_standard_install(struct tty_driver *driver, struct tty_struct *tty); -extern struct tty_struct *tty_pair_get_tty(struct tty_struct *tty); -extern struct tty_struct *tty_pair_get_pty(struct tty_struct *tty); - extern struct mutex tty_mutex; extern spinlock_t tty_files_lock; |