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[PATCH] tty: fix TCSBRK comment

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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>
This commit is contained in:
Paul Fulghum 2006-06-27 02:54:00 -07:00 committed by Linus Torvalds
parent 05f225dc87
commit 283fef59d6
1 changed files with 3 additions and 4 deletions
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7
drivers/char/tty_io.c
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@ -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);