[PATCH v2 4/6] tty: Move tty_check_change() helper

[Peter Hurley]

Move is_ignored() to drivers/tty/tty_io.c and re-declare in file
scope.

Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
 drivers/tty/n_tty.c  | 6 ------
 drivers/tty/tty_io.c | 6 ++++++
 include/linux/tty.h  | 1 -
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 5315d1a..8272069 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1754,12 +1754,6 @@ static int n_tty_receive_buf2(struct tty_struct *tty, const unsigned char *cp,
 	return n_tty_receive_buf_common(tty, cp, fp, count, 1);
 }
 
-int is_ignored(int sig)
-{
-	return (sigismember(&current->blocked, sig) ||
-		current->sighand->action[sig-1].sa.sa_handler == SIG_IGN);
-}
-
 /**
  *	n_tty_set_termios	-	termios data changed
  *	@tty: terminal
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 8b4e7cd..b89c0a5 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -381,6 +381,12 @@ struct tty_driver *tty_find_polling_driver(char *name, int *line)
 EXPORT_SYMBOL_GPL(tty_find_polling_driver);
 #endif
 
+static int is_ignored(int sig)
+{
+	return (sigismember(&current->blocked, sig) ||
+		current->sighand->action[sig-1].sa.sa_handler == SIG_IGN);
+}
+
 /**
  *	tty_check_change	-	check for POSIX terminal changes
  *	@tty: tty to check
diff --git a/include/linux/tty.h b/include/linux/tty.h
index fecfe92..a01f9dd 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -445,7 +445,6 @@ extern int tty_throttle_safe(struct tty_struct *tty);
 extern int tty_unthrottle_safe(struct tty_struct *tty);
 extern int tty_do_resize(struct tty_struct *tty, struct winsize *ws);
 extern int is_current_pgrp_orphaned(void);
-extern int is_ignored(int sig);
 extern void tty_hangup(struct tty_struct *tty);
 extern void tty_vhangup(struct tty_struct *tty);
 extern int tty_hung_up_p(struct file *filp);
-- 
2.7.0