Comment 1 for bug 1701697

https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-trusty/trusty/amd64/i/iscsitarget/20170630_143836_ce64a@/log.gz

/var/lib/dkms/iscsitarget/1.4.20.3+svn502/build/kernel/nthread.c: In function 'do_recv':
/var/lib/dkms/iscsitarget/1.4.20.3+svn502/build/kernel/nthread.c:129:8: error: too many arguments to function 'sock_recvmsg'
  res = sock_recvmsg(conn->sock, &msg, len, MSG_DONTWAIT | MSG_NOSIGNAL);
        ^
In file included from include/linux/skbuff.h:29:0,
                 from include/linux/if_ether.h:23,
                 from include/uapi/linux/ethtool.h:17,
                 from include/linux/ethtool.h:17,
                 from include/linux/netdevice.h:42,
                 from include/net/sock.h:51,
                 from /var/lib/dkms/iscsitarget/1.4.20.3+svn502/build/kernel/iscsi.h:19,
                 from /var/lib/dkms/iscsitarget/1.4.20.3+svn502/build/kernel/nthread.c:16:
include/linux/net.h:220:5: note: declared here
 int sock_recvmsg(struct socket *sock, struct msghdr *msg, int flags);
     ^