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-rw-r--r--crypto/shash.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 97f6c8ba103..21bcff6be5b 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -518,5 +518,15 @@ int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
}
EXPORT_SYMBOL_GPL(crypto_init_shash_spawn);
+struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask)
+{
+ struct crypto_alg *alg;
+
+ alg = crypto_attr_alg2(rta, &crypto_shash_type, type, mask);
+ return IS_ERR(alg) ? ERR_CAST(alg) :
+ container_of(alg, struct shash_alg, base);
+}
+EXPORT_SYMBOL_GPL(shash_attr_alg);
+
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Synchronous cryptographic hash type");