1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/sm2/sm2_pmeth.c b/crypto/sm2/sm2_pmeth.c
index 62a5b5534d..b42a14c32f 100644
--- a/crypto/sm2/sm2_pmeth.c
+++ b/crypto/sm2/sm2_pmeth.c
@@ -220,6 +220,10 @@ static int pkey_sm2_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
         *(size_t *)p2 = smctx->id_len;
         return 1;
 
+    case EVP_PKEY_CTRL_DIGESTINIT:
+        /* nothing to be inited, this is to suppress the error... */
+        return 1;
+
     default:
         return -2;
     }