From: Herbert Xu Date: Fri, 14 Mar 2025 03:27:23 +0000 (+0800) Subject: crypto: hash - Use nth_page instead of doing it by hand X-Git-Tag: block-6.15-20250403~39^2~43 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=ce3313560c7ea56f0af76853658959d8363a639f;p=linux-block.git crypto: hash - Use nth_page instead of doing it by hand Use nth_page instead of adding n to the page pointer. Signed-off-by: Herbert Xu --- diff --git a/crypto/ahash.c b/crypto/ahash.c index 1fe594880295..06559e5a715b 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -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)