Commit f4d2a6c2 authored Oct 13, 2008 by Alan Cox Committed by Linus Torvalds Oct 13, 2008

tty: compare the tty winsize



We always use the real tty one for stuff so the pty one should not be
compared. As we propagate window changes to both it doesn't currently
matter but will when we tidy up the pty termios logic a bit more

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 8f520021

drivers/char/tty_io.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2133,7 +2133,7 @@ int tty_do_resize(struct tty_struct tty, struct tty_struct real_tty,

		/* For a PTY we need to lock the tty side */
		mutex_lock(&real_tty->termios_mutex);
		if (!memcmp(ws, &tty->winsize, sizeof(*ws)))
		if (!memcmp(ws, &real_tty->winsize, sizeof(*ws)))
		goto done;
		/* Get the PID values and reference them so we can
		avoid holding the tty ctrl lock while sending signals */