[PATCH] tty fix TCSBRK comment

[Paul Fulghum]

Fix TCSBRK comment to prevent confusion or accidental removal.

Signed-off-by: Paul Fulghum <paulkf@xxxxxxxxxxxxx>

--- a/drivers/char/tty_io.c	2006-06-23 15:46:55.000000000 -0500
+++ b/drivers/char/tty_io.c	2006-06-26 09:34:09.000000000 -0500
@@ -2617,10 +2617,9 @@ int tty_ioctl(struct inode * inode, stru
 			tty->driver->break_ctl(tty, 0);
 			return 0;
 		case TCSBRK:   /* SVID version: non-zero arg --> no break */
-			/*
-			 * XXX is the above comment correct, or the
-			 * code below correct?  Is this ioctl used at
-			 * all by anyone?
+			/* non-zero arg means wait for all output data
+			 * to be sent (performed above) but don't send break.
+			 * This is used by the tcdrain() termios function.
 			 */
 			if (!arg)
 				return send_break(tty, 250);


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