cris: buggered copy_from_user/copy_to_user/clear_user
* copy_from_user() on access_ok() failure ought to zero the destination * none of those primitives should skip the access_ok() check in case of small constant size. Cc: stable@vger.kernel.org Acked-by: NJesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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