Prevent information from leaking to userspace by doing a memset to 0 of the export state structure before setting the structure values and copying it. This prevents un-initialized padding areas from being copied into the export area. Cc: <stable@vger.kernel.org> # 3.14.x- Reported-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>