* [PATCH] tty fix TCSBRK comment
@ 2006-06-26 14:40 Paul Fulghum
0 siblings, 0 replies; only message in thread
From: Paul Fulghum @ 2006-06-26 14:40 UTC (permalink / raw)
To: Andrew Morton; +Cc: Linux Kernel Mailing List
Fix TCSBRK comment to prevent confusion or accidental removal.
Signed-off-by: Paul Fulghum <paulkf@microgate.com>
--- 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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