BIO: at the end of BIO_new, declare the BIO inited if no create method present

Without this, every BIO implementation is forced to have a create
method, just to set bio->init = 1.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5223)

diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index 8a2ec0ee69a0a3485a82e74a36db9c7f3269c061..dc4d0a0ca890f72f7f324f3e7b425bfd3de9f30e 100644 (file)
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c
@@ -98,6 +98,8 @@ BIO *BIO_new(const BIO_METHOD *method)
         CRYPTO_THREAD_lock_free(bio->lock);
         goto err;
     }
+    if (method->create == NULL)
+        bio->init = 1;
 
     return bio;