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crypto: hisilicon - fix the check on dma address 

System may be able to get physical address of zero if not reserved by
firmware.

The dma address obtained by 'dma_alloc_coherent' is valid, since already
checking cpu va before, so do not check again.

Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Hui Tang 2021-03-19 18:45:05 +08:00 committed by Herbert Xu
parent ed48466d3f
commit a9214b0b6e
3 changed files with 1 additions and 19 deletions
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12
drivers/crypto/hisilicon/hpre/hpre_crypto.c
View File

@ -298,8 +298,6 @@ static void hpre_hw_data_clr_all(struct hpre_ctx *ctx,
dma_addr_t tmp;
tmp = le64_to_cpu(sqe->in);
if (unlikely(!tmp))
return;
if (src) {
if (req->src)
@ -309,8 +307,6 @@ static void hpre_hw_data_clr_all(struct hpre_ctx *ctx,
}
tmp = le64_to_cpu(sqe->out);
if (unlikely(!tmp))
return;
if (req->dst) {
if (dst)
@ -1358,15 +1354,11 @@ static void hpre_ecdh_hw_data_clr_all(struct hpre_ctx *ctx,
dma_addr_t dma;
dma = le64_to_cpu(sqe->in);
if (unlikely(!dma))
return;
if (src && req->src)
dma_free_coherent(dev, ctx->key_sz << 2, req->src, dma);
dma = le64_to_cpu(sqe->out);
if (unlikely(!dma))
return;
if (req->dst)
dma_free_coherent(dev, ctx->key_sz << 1, req->dst, dma);
@ -1657,15 +1649,11 @@ static void hpre_curve25519_hw_data_clr_all(struct hpre_ctx *ctx,
dma_addr_t dma;
dma = le64_to_cpu(sqe->in);
if (unlikely(!dma))
return;
if (src && req->src)
dma_free_coherent(dev, ctx->key_sz, req->src, dma);
dma = le64_to_cpu(sqe->out);
if (unlikely(!dma))
return;
if (req->dst)
dma_free_coherent(dev, ctx->key_sz, req->dst, dma);

2
drivers/crypto/hisilicon/qm.c
View File

@ -2681,7 +2681,7 @@ static int __hisi_qm_start(struct hisi_qm *qm)
{
int ret;
WARN_ON(!qm->qdma.dma);
WARN_ON(!qm->qdma.va);
if (qm->fun_type == QM_HW_PF) {
ret = qm_dev_mem_reset(qm);

6
drivers/crypto/hisilicon/sec2/sec_crypto.c
View File

@ -708,12 +708,6 @@ static int sec_cipher_pbuf_map(struct sec_ctx *ctx, struct sec_req *req,
}
c_req->c_in_dma = qp_ctx->res[req_id].pbuf_dma;
if (!c_req->c_in_dma) {
dev_err(dev, "fail to set pbuffer address!\n");
return -ENOMEM;
}
c_req->c_out_dma = c_req->c_in_dma;
return 0;