From: Ben Laurie <ben@openssl.org>
Date: Thu, 5 Apr 2007 17:23:51 +0000 (+0000)
Subject: Don't copy from a nonexistent next. Coverity ID 47.
X-Git-Tag: OpenSSL_0_9_8k^2~902
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=ab2d91bd6b9085b1e406d6cac68c3f6cfdc4522f;p=oweals%2Fopenssl.git

Don't copy from a nonexistent next. Coverity ID 47.
---

diff --git a/crypto/evp/bio_md.c b/crypto/evp/bio_md.c
index f4c0a72981..231b56b65d 100644
--- a/crypto/evp/bio_md.c
+++ b/crypto/evp/bio_md.c
@@ -157,8 +157,11 @@ static int md_write(BIO *b, const char *in, int inl)
 				(unsigned int)ret);
 			}
 		}
-	BIO_clear_retry_flags(b);
-	BIO_copy_next_retry(b);
+	if(b->next_bio != NULL)
+		{
+		BIO_clear_retry_flags(b);
+		BIO_copy_next_retry(b);
+		}
 	return(ret);
 	}