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)
commit41e4af69a5984a3193ba3108fb4e067b0e34dc73
tree8f0ab590e83d6a9fc0e550dcebf71bb1f435aaa1
parentca2f09f2b2c6c25047cfc545d057c4edfcfe561c
macvtap: remove useless codes in macvtap_aio_read() and macvtap_recvmsg()

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