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-rw-r--r--drivers/char/tty_io.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index fa48dba5ba5e..6f4d856df987 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1119,19 +1119,6 @@ int tty_hung_up_p(struct file *filp)
1119 1119
1120EXPORT_SYMBOL(tty_hung_up_p); 1120EXPORT_SYMBOL(tty_hung_up_p);
1121 1121
1122/**
1123 * is_tty - checker whether file is a TTY
1124 * @filp: file handle that may be a tty
1125 *
1126 * Check if the file handle is a tty handle.
1127 */
1128
1129int is_tty(struct file *filp)
1130{
1131 return filp->f_op->read == tty_read
1132 || filp->f_op->read == hung_up_tty_read;
1133}
1134
1135static void session_clear_tty(struct pid *session) 1122static void session_clear_tty(struct pid *session)
1136{ 1123{
1137 struct task_struct *p; 1124 struct task_struct *p;