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tty: localise ptychar and make it const

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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>
Link: https://lore.kernel.org/r/20210302062214.29627-36-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2021-03-02 07:22:06 +01:00 committed by Greg Kroah-Hartman
parent a872ab4d6d
commit a846dcf9d7
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/tty_io.c
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@ -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",