[git] GCRYPT - branch, master, updated. libgcrypt-1.6.0-114-g51dae8c

[by Werner Koch]

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- Log -----------------------------------------------------------------
commit 51dae8c8c4b63bb5e1685cbd8722e35342524737
Author: Werner Koch <wk at gnupg.org>
Date:   Mon Sep 29 17:34:28 2014 +0200

    mac: Fix gcry_mac_close to allow for a NULL handle.
    
    * cipher/mac.c (_gcry_mac_close): Check for NULL.
    --
    
    We always allow this for easier cleanup.  actually the docs already
    tell that this is allowed.

diff --git a/cipher/mac.c b/cipher/mac.c
index 30117b9..e5131ed 100644
--- a/cipher/mac.c
+++ b/cipher/mac.c
@@ -336,7 +336,8 @@ _gcry_mac_open (gcry_mac_hd_t * h, int algo, unsigned int flags,
 void
 _gcry_mac_close (gcry_mac_hd_t hd)
 {
-  mac_close (hd);
+  if (hd)
+    mac_close (hd);
 }
 
 

-----------------------------------------------------------------------

Summary of changes:
 cipher/mac.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)


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