Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 <herbert@gondor.apana.org.au>
+2
-2
+2
-2
crypto/ahash.c
+2
-2
crypto/ahash.c
···
80
80
81
81
sg = walk->sg;
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82
walk->offset = sg->offset;
83
-
walk->pg = sg_page(walk->sg) + (walk->offset >> PAGE_SHIFT);
83
+
walk->pg = nth_page(sg_page(walk->sg), (walk->offset >> PAGE_SHIFT));
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walk->offset = offset_in_page(walk->offset);
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85
walk->entrylen = sg->length;
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86
···
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if (!IS_ENABLED(CONFIG_HIGHMEM))
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return crypto_shash_digest(desc, data, nbytes, req->result);
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224
-
page += offset >> PAGE_SHIFT;
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+
page = nth_page(page, offset >> PAGE_SHIFT);
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offset = offset_in_page(offset);
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if (nbytes > (unsigned int)PAGE_SIZE - offset)