The crypto API does not promise that the IV buffer is suitable for DMA. Use an intermediate buffer instead. Signed-off-by: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx> --- drivers/crypto/axis/artpec6_crypto.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c index 87af44ac3e64..d3b6ee065a81 100644 --- a/drivers/crypto/axis/artpec6_crypto.c +++ b/drivers/crypto/axis/artpec6_crypto.c @@ -321,6 +321,7 @@ struct artpec6_crypto_request_context { u32 cipher_md; bool decrypt; struct artpec6_crypto_req_common common; + unsigned char iv_bounce[AES_BLOCK_SIZE] CRYPTO_MINALIGN_ATTR; }; struct artpec6_cryptotfm_context { @@ -1779,7 +1780,8 @@ static int artpec6_crypto_prepare_crypto(struct skcipher_request *areq) return ret; if (iv_len) { - ret = artpec6_crypto_setup_out_descr(common, areq->iv, iv_len, + memcpy(req_ctx->iv_bounce, areq->iv, iv_len); + ret = artpec6_crypto_setup_out_descr(common, req_ctx->iv_bounce, iv_len, false, false); if (ret) return ret; -- 2.34.1