tty: Don't change receive_room for ioctl(TIOCSETD) · 3b80df7ca7 - Gogs

tty: Don't change receive_room for ioctl(TIOCSETD)

tty_set_ldisc() is guaranteed exclusive use of the line discipline
by tty_ldisc_lock_pair_timeout(); shutting off input by resetting
receive_room is unnecessary.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Peter Hurley 12 years ago

parent

b0e9585823

commit

3b80df7ca7

1 changed files with 0 additions and 3 deletions

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							- 3
						
drivers/tty/tty_ldisc.c
							 
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				@@ -540,9 +540,6 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc)
			
				 		return 0;
			
				 	}
			
				-	/* FIXME: why 'shutoff' input if the ldisc is locked? */
			
				-	tty->receive_room = 0;
			
				-
			
				 	old_ldisc = tty->ldisc;
			
				 	tty_lock(tty);