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authorPaul Fulghum <paulkf@microgate.com>2006-06-27 02:54:00 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-27 17:32:39 -0700
commit283fef59d6e934e8da11631446ea8e2e93fce14c (patch)
tree6617b7b3a492e9a1b9d0e34c24ae725c9c5fa0b6
parent05f225dc8729d3e5703b8c34e750fdca67bcefe6 (diff)
[PATCH] tty: fix TCSBRK comment
Fix TCSBRK comment to prevent confusion or accidental removal. Signed-off-by: Paul Fulghum <paulkf@microgate.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/char/tty_io.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 8b2a59969868..bd74e82d8a72 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2621,10 +2621,9 @@ int tty_ioctl(struct inode * inode, struct file * file,
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);