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-rw-r--r--crypto/aead.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/crypto/aead.c b/crypto/aead.c
index 9b18a1e40d6a..b155cbc3a0dd 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -346,9 +346,13 @@ static int aead_prepare_alg(struct aead_alg *alg)
{
struct crypto_alg *base = &alg->base;
- if (max(alg->maxauthsize, alg->ivsize) > PAGE_SIZE / 8)
+ if (max3(alg->maxauthsize, alg->ivsize, alg->chunksize) >
+ PAGE_SIZE / 8)
return -EINVAL;
+ if (!alg->chunksize)
+ alg->chunksize = base->cra_blocksize;
+
base->cra_type = &crypto_aead_type;
base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
base->cra_flags |= CRYPTO_ALG_TYPE_AEAD;