From: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
By checking related codes, it is impossible that ret > len or total_len,
so we should remove some useless coeds in both above functions.
Signed-off-by: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
---
drivers/net/macvtap.c | 5 -----
1 files changed, 0 insertions(+), 5 deletions(-)
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 4c6f84c..7f4ccdd 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -871,7 +871,6 @@ static ssize_t macvtap_aio_read(struct kiocb *iocb, const
struct iovec *iv,
}
ret = macvtap_do_read(q, iv, len, file->f_flags & O_NONBLOCK);
- ret = min_t(ssize_t, ret, len); /* XXX copied from tun.c. Why? */
out:
return ret;
}
@@ -1104,10 +1103,6 @@ static int macvtap_recvmsg(struct kiocb *iocb, struct
socket *sock,
return -EINVAL;
ret = macvtap_do_read(q, m->msg_iov, total_len,
flags & MSG_DONTWAIT);
- if (ret > total_len) {
- m->msg_flags |= MSG_TRUNC;
- ret = flags & MSG_TRUNC ? ret : total_len;
- }
return ret;
}
--
1.7.6.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
