1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 7802a243ee13..2df60e4ff40e 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -179,6 +179,7 @@ struct tty_bufhead {
 #define L_FLUSHO(tty)   _L_FLAG((tty), FLUSHO)
 #define L_PENDIN(tty)   _L_FLAG((tty), PENDIN)
 #define L_IEXTEN(tty)   _L_FLAG((tty), IEXTEN)
+#define L_EXTPROC(tty)  _L_FLAG((tty), EXTPROC)
 
 struct device;
 struct signal_struct;