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tun: update file current position 

Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Zhi Yong Wu 2013-12-06 14:16:51 +08:00 committed by David S. Miller
parent e6ebc7f16c
commit d0b7da8afa
1 changed files with 2 additions and 0 deletions
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2
drivers/net/tun.c
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@ -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;