From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 21 Mar 2015 23:56:16 +0000 (-0400)
Subject: switch kernel_sendmsg() and kernel_recvmsg() to iov_iter_kvec()
X-Git-Tag: omap-for-v4.1/fixes-rc1~141^2~15^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6aa248145ab0b1809de2411cf129ec1fc315a46f;p=pandora-kernel.git

switch kernel_sendmsg() and kernel_recvmsg() to iov_iter_kvec()

For kernel_sendmsg() that eliminates the need to play with setfs();
for kernel_recvmsg() it does *not* - a couple of callers are using
it with non-NULL ->msg_control, which would be treated as userland
address on recvmsg side of things.

In all cases we are really setting a kvec-backed iov_iter, though.

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