The return valude of add_comp_head() is int, but @head_size is size_t,
which is a unsigned type.
size_t head_size;
...
if (head_size < 0) // it will never work
return -ENOMEM
Modify the type of @head_size to int, then change the type to size_t
when invoke hisi_zip_create_req() as a parameter.
Fixes:
62c455ca853e ("crypto: hisilicon - add HiSilicon ZIP accelerator support")
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
struct hisi_zip_ctx *ctx = crypto_tfm_ctx(acomp_req->base.tfm);
struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[QPC_COMP];
struct hisi_zip_req *req;
- size_t head_size;
+ int head_size;
int ret;
/* let's output compression head now */
if (head_size < 0)
return -ENOMEM;
- req = hisi_zip_create_req(acomp_req, qp_ctx, head_size, true);
+ req = hisi_zip_create_req(acomp_req, qp_ctx, (size_t)head_size, true);
if (IS_ERR(req))
return PTR_ERR(req);