Commit 3d12d90e authored by Jia Jie Ho's avatar Jia Jie Ho Committed by Herbert Xu
Browse files

crypto: starfive - Skip dma setup for zeroed message 



Skip dma setup and mapping for AES driver if plaintext is empty.

Signed-off-by: default avatarJia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 6117af86

drivers/crypto/starfive/jh7110-aes.c

+4 −0
Original line number Diff line number Diff line
@@ -590,12 +590,16 @@ static int starfive_aes_do_one_req(struct crypto_engine *engine, void *areq) 
	if (ret)

		return ret;



	if (!cryp->total_in)

		goto finish_req;



	starfive_aes_dma_init(cryp);



	ret = starfive_aes_map_sg(cryp, rctx->in_sg, rctx->out_sg);

	if (ret)

		return ret;



finish_req:

	starfive_aes_finish_req(ctx);



	return 0;