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| author | Ira Weiny <ira.weiny@intel.com> | 2020-08-10 17:40:15 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-08-21 14:47:50 +1000 |
| commit | 8afa25aa833fbd4f3aa701cb42ebd52b1deef1d3 (patch) | |
| tree | 2a1722d8261e444f8530c0540a8aa559f3ed48e9 /crypto/ahash.c | |
| parent | 5d1cdfde11a5f0c9a21b8b2b085bac678e8a18b7 (diff) | |
| download | lwn-8afa25aa833fbd4f3aa701cb42ebd52b1deef1d3.tar.gz lwn-8afa25aa833fbd4f3aa701cb42ebd52b1deef1d3.zip | |
crypto: hash - Remove unused async iterators
Revert "crypto: hash - Add real ahash walk interface"
This reverts commit 75ecb231ff45b54afa9f4ec9137965c3c00868f4.
The callers of the functions in this commit were removed in ab8085c130ed
Remove these unused calls.
Fixes: ab8085c130ed ("crypto: x86 - remove SHA multibuffer routines and mcryptd")
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/ahash.c')
| -rw-r--r-- | crypto/ahash.c | 41 |
1 files changed, 4 insertions, 37 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index d9d65d1cc669..d84ad925dfc9 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -10,7 +10,6 @@ #include <crypto/internal/hash.h> #include <crypto/scatterwalk.h> -#include <linux/bug.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> @@ -46,10 +45,7 @@ static int hash_walk_next(struct crypto_hash_walk *walk) unsigned int nbytes = min(walk->entrylen, ((unsigned int)(PAGE_SIZE)) - offset); - if (walk->flags & CRYPTO_ALG_ASYNC) - walk->data = kmap(walk->pg); - else - walk->data = kmap_atomic(walk->pg); + walk->data = kmap_atomic(walk->pg); walk->data += offset; if (offset & alignmask) { @@ -99,16 +95,8 @@ int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err) } } - if (walk->flags & CRYPTO_ALG_ASYNC) - kunmap(walk->pg); - else { - kunmap_atomic(walk->data); - /* - * The may sleep test only makes sense for sync users. - * Async users don't need to sleep here anyway. - */ - crypto_yield(walk->flags); - } + kunmap_atomic(walk->data); + crypto_yield(walk->flags); if (err) return err; @@ -140,33 +128,12 @@ int crypto_hash_walk_first(struct ahash_request *req, walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req)); walk->sg = req->src; - walk->flags = req->base.flags & CRYPTO_TFM_REQ_MASK; + walk->flags = req->base.flags; return hash_walk_new_entry(walk); } EXPORT_SYMBOL_GPL(crypto_hash_walk_first); -int crypto_ahash_walk_first(struct ahash_request *req, - struct crypto_hash_walk *walk) -{ - walk->total = req->nbytes; - - if (!walk->total) { - walk->entrylen = 0; - return 0; - } - - walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req)); - walk->sg = req->src; - walk->flags = req->base.flags & CRYPTO_TFM_REQ_MASK; - walk->flags |= CRYPTO_ALG_ASYNC; - - BUILD_BUG_ON(CRYPTO_TFM_REQ_MASK & CRYPTO_ALG_ASYNC); - - return hash_walk_new_entry(walk); -} -EXPORT_SYMBOL_GPL(crypto_ahash_walk_first); - static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen) { |