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-rw-r--r--crypto/shash.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index f7fcc652ff32..131e14d2b572 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;
}