From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Date: Fri, 6 Dec 2013 06:16:50 +0000 (+0800)
Subject: macvtap: update file current position
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e6ebc7f16ca1434a334647aa56399c546be4e64b;p=linux-beck.git

macvtap: update file current position

Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 9093004f9b63..957cc5c3653d 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -876,6 +876,8 @@ static ssize_t macvtap_aio_read(struct kiocb *iocb, const struct iovec *iv,
 
 	ret = macvtap_do_read(q, iocb, iv, len, file->f_flags & O_NONBLOCK);
 	ret = min_t(ssize_t, ret, len); /* XXX copied from tun.c. Why? */
+	if (ret > 0)
+		iocb->ki_pos = ret;
 out:
 	return ret;
 }