Fix coverity CID #1465525 - NULL pointer dereference in OSSL_DECODER_CTX_new_by_EVP_P...

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/12628)

diff --git a/crypto/encode_decode/decoder_pkey.c b/crypto/encode_decode/decoder_pkey.c
index e04b94de863fe5d2f0c986e29d66aab40b887c4e..7ab38f228fcc3b50a319ddea365ad2820d0de706 100644 (file)
--- a/crypto/encode_decode/decoder_pkey.c
+++ b/crypto/encode_decode/decoder_pkey.c
@@ -369,8 +369,10 @@ OSSL_DECODER_CTX *OSSL_DECODER_CTX_new_by_EVP_PKEY(EVP_PKEY **pkey,
 
     data->process_data = NULL;
  err:
-    decoder_clean_EVP_PKEY_construct_arg(data->process_data);
-    sk_OPENSSL_CSTRING_free(data->names);
-    OPENSSL_free(data);
+    if (data != NULL) {
+        decoder_clean_EVP_PKEY_construct_arg(data->process_data);
+        sk_OPENSSL_CSTRING_free(data->names);
+        OPENSSL_free(data);
+    }
     return ctx;
 }