On Fri, Jun 23, 2017 at 1:52 PM, Raveendra Padasalagi <raveendra.padasalagi@xxxxxxxxxxxx> wrote: > Zero length payload requests are not handled in > Broadcom SPU2 engine, so this patch adds conditional > check to fallback to software implementation for AES-GCM > and AES-CCM algorithms. > > Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@xxxxxxxxxxxx> > Reviewed-by: Ray Jui <ray.jui@xxxxxxxxxxxx> > Reviewed-by: Scott Branden <scott.branden@xxxxxxxxxxxx> > --- > drivers/crypto/bcm/cipher.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c > index cc0d5b9..6c80863 100644 > --- a/drivers/crypto/bcm/cipher.c > +++ b/drivers/crypto/bcm/cipher.c > @@ -2625,7 +2625,7 @@ static int aead_need_fallback(struct aead_request *req) > */ > if (((ctx->cipher.mode == CIPHER_MODE_GCM) || > (ctx->cipher.mode == CIPHER_MODE_CCM)) && > - (req->assoclen == 0)) { > + ((req->assoclen == 0) || (req->cryptlen == 0))) { > if ((rctx->is_encrypt && (req->cryptlen == 0)) || > (!rctx->is_encrypt && (req->cryptlen == ctx->digestsize))) { > flow_log("AES GCM/CCM needs fallback for 0 len req\n"); > -- > 1.9.1 > This should go in linux-stable too. Please CC Linux stable and include "Fixes:". Regards, Anup