[PATCH v2 2/2] tun: update file current position

Zhi Yong Wu
2013-12-06T09:09:17Z

From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>

Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
---
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..c8ddbd0 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