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crypto: aegis - use the new scatterwalk functions

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Use scatterwalk_next() which consolidates scatterwalk_clamp() and
scatterwalk_map(), and use scatterwalk_done_src() which consolidates
scatterwalk_unmap(), scatterwalk_advance(), and scatterwalk_done().

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers
2025-02-19 10:23:29 -08:00
committed by Herbert Xu
parent cb25dbb605
commit c89edd931a
1 changed files with 4 additions and 6 deletions
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10
crypto/aegis128-core.c
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@@ -284,10 +284,10 @@ static void crypto_aegis128_process_ad(struct aegis_state *state,
scatterwalk_start(&walk, sg_src);
while (assoclen != 0) {
unsigned int size = scatterwalk_clamp(&walk, assoclen);
unsigned int size;
const u8 *mapped = scatterwalk_next(&walk, assoclen, &size);
unsigned int left = size;
void *mapped = scatterwalk_map(&walk);
const u8 *src = (const u8 *)mapped;
const u8 *src = mapped;
if (pos + size >= AEGIS_BLOCK_SIZE) {
if (pos > 0) {
@@ -308,9 +308,7 @@ static void crypto_aegis128_process_ad(struct aegis_state *state,
pos += left;
assoclen -= size;
scatterwalk_unmap(mapped);
scatterwalk_advance(&walk, size);
scatterwalk_done(&walk, 0, assoclen);
scatterwalk_done_src(&walk, mapped, size);
}
if (pos > 0) {