BIO_free() returns immediately when the sole input is NULL.

Remove unnecessary NULL check.

ok miod@

1 files changed, 2 insertions, 3 deletions

diff --git a/src/lib/libcrypto/bio/bio_lib.c b/src/lib/libcrypto/bio/bio_lib.c
index a2b34a2f80..477208ed1f 100644
--- a/src/lib/libcrypto/bio/bio_lib.c
+++ b/src/lib/libcrypto/bio/bio_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bio_lib.c,v 1.20 2014/07/11 15:40:32 miod Exp $ */
+/* $OpenBSD: bio_lib.c,v 1.21 2014/07/25 06:05:32 doug Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -575,8 +575,7 @@ BIO_dup_chain(BIO *in)
         }
         return (ret);
 err:
-        if (ret != NULL)
-                BIO_free(ret);
+        BIO_free(ret);
         return (NULL);
 
 }