From d0b7da8afa079ffe018ab3e92879b7138977fc8f Mon Sep 17 00:00:00 2001 From: Zhi Yong Wu Date: Fri, 6 Dec 2013 14:16:51 +0800 Subject: tun: update file current position Signed-off-by: Zhi Yong Wu Signed-off-by: David S. Miller --- drivers/net/tun.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/tun.c') diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 782e38bfc1ee..e26cbea1ce68 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; -- cgit v1.2.2