Commit af5554f9 authored Jul 12, 2015 by Peter Hurley Committed by Greg Kroah-Hartman Jul 23, 2015

tty: buffers: Move hidden buffer index advance into outer loop



The advance of the 'read' buffer index belongs in the outer
flip buffer consume loop, with the other buffer index arithmetic.

No functional change.

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

parent 069f38b4

drivers/tty/tty_buffer.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -444,7 +444,6 @@ receive_buf(struct tty_struct tty, struct tty_buffer head, int count)
		if (count)
		disc->ops->receive_buf(tty, p, f, count);
		}
		head->read += count;
		return count;
		}

		@@ -506,6 +505,7 @@ static void flush_to_ldisc(struct work_struct *work)
		count = receive_buf(tty, head, count);
		if (!count)
		break;
		head->read += count;
		}

		mutex_unlock(&buf->lock);