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authorFelipe Balbi <balbi@ti.com>2011-03-21 12:25:08 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-04-22 17:31:53 -0700
commitb1c43f82c5aa265442f82dba31ce985ebb7aa71c (patch)
tree8b344d8d5355b30e8deff901180edc708a653227 /drivers/tty/vt
parente9a470f445271eb157ee860a93b062324402fc3a (diff)
downloadop-kernel-dev-b1c43f82c5aa265442f82dba31ce985ebb7aa71c.zip
op-kernel-dev-b1c43f82c5aa265442f82dba31ce985ebb7aa71c.tar.gz
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>
Diffstat (limited to 'drivers/tty/vt')
-rw-r--r--drivers/tty/vt/selection.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index fb864e7..67b1d0d 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -332,8 +332,7 @@ int paste_selection(struct tty_struct *tty)
continue;
}
count = sel_buffer_lth - pasted;
- count = min(count, tty->receive_room);
- tty->ldisc->ops->receive_buf(tty, sel_buffer + pasted,
+ count = tty->ldisc->ops->receive_buf(tty, sel_buffer + pasted,
NULL, count);
pasted += count;
}
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