tree 4de5bd394278e3cdf5f53c9cbc9513d1dc6fb469
parent 666547ff591cebdedc4679bf6b1b3f3383a8dea3
author Al Viro <viro@zeniv.linux.org.uk> 1415590425 -0500
committer Al Viro <viro@zeniv.linux.org.uk> 1416432196 -0500

{compat_,}verify_iovec(): switch to generic copying of iovecs

use {compat_,}rw_copy_check_uvector().  As the result, we are
guaranteed that all iovecs seen in ->msg_iov by ->sendmsg()
and ->recvmsg() will pass access_ok().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>