macvtap: remove useless codes in macvtap_aio_read() and macvtap_recvmsg()
authorZhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Fri, 6 Dec 2013 20:54:59 +0000 (04:54 +0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 10 Dec 2013 01:35:42 +0000 (20:35 -0500)
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 <wuzhy@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/macvtap.c

Simple merge