From: Felipe Balbi <balbi@ti.com>
Date: Mon, 21 Mar 2011 10:25:08 +0000 (+0200)
Subject: tty: make receive_buf() return the amout of bytes received
X-Git-Tag: v3.0-rc1~338^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b1c43f82c5aa265442f82dba31ce985ebb7aa71c;p=pandora-kernel.git

tty: make receive_buf() return the amout of bytes received

it makes it simpler to keep track of the amount of
bytes received and simplifies how flush_to_ldisc counts
the remaining bytes. It also fixes a bug of lost bytes
on n_tty when flushing too many bytes via the USB
serial gadget driver.

Tested-by: Stefan Bigler <stefan.bigler@keymile.com>
Tested-by: Toby Gray <toby.gray@realvnc.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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