[PATCH 36/44] tty: localise ptychar and make it const

From: Jiri Slaby
Date: Tue Mar 02 2021 - 03:36:09 EST


ptychar was not const, so mark it as such. And move this variable to the
only place where it's used.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/tty/tty_io.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index c8cbf08b6dcf..7cf57e6cadbf 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1196,8 +1196,6 @@ int tty_send_xchar(struct tty_struct *tty, char ch)
return 0;
}

-static char ptychar[] = "pqrstuvwxyzabcde";
-
/**
* pty_line_name - generate name for a pty
* @driver: the tty driver in use
@@ -1211,6 +1209,7 @@ static char ptychar[] = "pqrstuvwxyzabcde";
*/
static void pty_line_name(struct tty_driver *driver, int index, char *p)
{
+ static const char ptychar[] = "pqrstuvwxyzabcde";
int i = index + driver->name_base;
/* ->name is initialized to "ttyp", but "tty" is expected */
sprintf(p, "%s%c%x",
--
2.30.1