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-rw-r--r--crypto/cts.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/cts.c b/crypto/cts.c
index 6a8089c4d4b4..e467ec0acf9f 100644
--- a/crypto/cts.c
+++ b/crypto/cts.c
@@ -290,6 +290,9 @@ static struct crypto_instance *crypto_cts_alloc(struct rtattr **tb)
if (!is_power_of_2(alg->cra_blocksize))
goto out_put_alg;
+ if (strncmp(alg->cra_name, "cbc(", 4))
+ goto out_put_alg;
+
inst = crypto_alloc_instance("cts", alg);
if (IS_ERR(inst))
goto out_put_alg;