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crypto: hash - Use nth_page instead of doing it by hand

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Use nth_page instead of adding n to the page pointer.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2025-03-14 11:27:23 +08:00
parent e9ed7aff25
commit ce3313560c
1 changed files with 2 additions and 2 deletions
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4
crypto/ahash.c
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@ -80,7 +80,7 @@ static int hash_walk_new_entry(struct crypto_hash_walk *walk)
sg = walk->sg;
walk->offset = sg->offset;
walk->pg = sg_page(walk->sg) + (walk->offset >> PAGE_SHIFT);
walk->pg = nth_page(sg_page(walk->sg), (walk->offset >> PAGE_SHIFT));
walk->offset = offset_in_page(walk->offset);
walk->entrylen = sg->length;
@ -221,7 +221,7 @@ int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc)
if (!IS_ENABLED(CONFIG_HIGHMEM))
return crypto_shash_digest(desc, data, nbytes, req->result);
page += offset >> PAGE_SHIFT;
page = nth_page(page, offset >> PAGE_SHIFT);
offset = offset_in_page(offset);
if (nbytes > (unsigned int)PAGE_SIZE - offset)