crypto: virtio - deal with unsupported input sizes
commit 19c5da7d upstream. Return -EINVAL for input sizes that are not a multiple of the AES block size, since they are not supported by our CBC chaining mode. While at it, remove the pr_err() that reports unsupported key sizes being used: we shouldn't spam the kernel log with that. Fixes: dbaf0624 ("crypto: add virtio-crypto driver") Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Gonglei <arei.gonglei@huawei.com> Cc: virtualization@lists.linux-foundation.org Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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