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authorHerbert Xu <herbert@gondor.apana.org.au>2009-07-11 22:17:39 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2009-07-12 10:46:02 +0800
commit57cfe44bccb0e38ddb44a34a42f517deef1f4e82 (patch)
tree76407ea6aa11d7441aa4bb6811eb6e398554f041 /crypto/shash.c
parent7d024608265eb815ae4ce1e5da097ec9d800dda4 (diff)
downloadlinux-57cfe44bccb0e38ddb44a34a42f517deef1f4e82.tar.gz
crypto: shash - Move null setkey check to registration time
This patch moves the run-time null setkey check to shash_prepare_alg just like we did for finup/digest. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/shash.c')
-rw-r--r--crypto/shash.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index f7fcc652ff3..131e14d2b57 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -22,6 +22,12 @@
static const struct crypto_type crypto_shash_type;
+static int shash_no_setkey(struct crypto_shash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return -ENOSYS;
+}
+
static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
unsigned int keylen)
{
@@ -50,9 +56,6 @@ int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key,
struct shash_alg *shash = crypto_shash_alg(tfm);
unsigned long alignmask = crypto_shash_alignmask(tfm);
- if (!shash->setkey)
- return -ENOSYS;
-
if ((unsigned long)key & alignmask)
return shash_setkey_unaligned(tfm, key, keylen);
@@ -494,6 +497,8 @@ static int shash_prepare_alg(struct shash_alg *alg)
alg->import = shash_no_import;
if (!alg->export)
alg->export = shash_no_export;
+ if (!alg->setkey)
+ alg->setkey = shash_no_setkey;
return 0;
}