bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 14:53:58 -04:00
Code Issues Packages Projects Releases Wiki Activity

crypto: hisilicon - fix the check on dma address

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

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;