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

Message ID 20210302062214.29627-36-jslaby@suse.cz
State New
Headers show
Series [01/44] MAINTAINERS: orphan mxser | expand

Commit Message

Jiri Slaby March 2, 2021, 6:22 a.m. UTC 
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@suse.cz>
---
 drivers/tty/tty_io.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

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",