Re: [PATCH v2 1/2] crypto: virtio: Fix src/dst scatterlist calculation in __virtio_crypto_skcipher_do_req()

Fix it by sg_next() on calculation of src/dst scatterlist.

Wording adjustment: … by calling the function “sg_next” …

…

+++ b/drivers/crypto/virtio/virtio_crypto_algs.c @@ -350,13 +350,18 @@ __virtio_crypto_skcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req,

…

src_nents = sg_nents_for_len(req->src, req->cryptlen);

• if (src_nents < 0) {

• pr_err("Invalid number of src SG.\n");
  

• return src_nents;
  

• }
• dst_nents = sg_nents(req->dst);

…

I suggest to move the addition of such input parameter validation to a separate update step.

Regards, Markus