From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhi Yong Wu Subject: [PATCH 2/2] tun: update file current position Date: Fri, 6 Dec 2013 14:16:51 +0800 Message-ID: <1386310611-9294-2-git-send-email-zwu.kernel@gmail.com> References: <1386310611-9294-1-git-send-email-zwu.kernel@gmail.com> Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Zhi Yong Wu To: davem@davemloft.net Return-path: In-Reply-To: <1386310611-9294-1-git-send-email-zwu.kernel@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Zhi Yong Wu Signed-off-by: Zhi Yong Wu --- drivers/net/tun.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 782e38b..e26cbea 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1356,6 +1356,8 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv, ret = tun_do_read(tun, tfile, iocb, iv, len, file->f_flags & O_NONBLOCK); ret = min_t(ssize_t, ret, len); + if (ret > 0) + iocb->ki_pos = ret; out: tun_put(tun); return ret; -- 1.7.6.5