diff options
Diffstat (limited to 'arch/arm64/crypto/ghash-ce-glue.c')
| -rw-r--r-- | arch/arm64/crypto/ghash-ce-glue.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/arm64/crypto/ghash-ce-glue.c b/arch/arm64/crypto/ghash-ce-glue.c index da7b7ec1a664..071e122f9c37 100644 --- a/arch/arm64/crypto/ghash-ce-glue.c +++ b/arch/arm64/crypto/ghash-ce-glue.c @@ -308,21 +308,12 @@ static void gcm_calculate_auth_mac(struct aead_request *req, u64 dg[], u32 len) scatterwalk_start(&walk, req->src); do { - u32 n = scatterwalk_clamp(&walk, len); - u8 *p; + unsigned int n; - if (!n) { - scatterwalk_start(&walk, sg_next(walk.sg)); - n = scatterwalk_clamp(&walk, len); - } - p = scatterwalk_map(&walk); - - gcm_update_mac(dg, p, n, buf, &buf_count, ctx); + n = scatterwalk_next(&walk, len); + gcm_update_mac(dg, walk.addr, n, buf, &buf_count, ctx); + scatterwalk_done_src(&walk, n); len -= n; - - scatterwalk_unmap(p); - scatterwalk_advance(&walk, n); - scatterwalk_done(&walk, 0, len); } while (len); if (buf_count) { |