[git] GCRYPT - branch, master, updated. libgcrypt-1.6.0-266-g1c6d269

[by NIIBE Yutaka]

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      from  813565a07ca575c87e1252c6ed26018653ecd338 (commit)

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- Log -----------------------------------------------------------------
commit 1c6d2698a84e4bf82735287c1d64954bfc1a1982
Author: NIIBE Yutaka <gniibe at fsij.org>
Date:   Thu Oct 15 11:28:54 2015 +0900

    Fix double free on error.
    
    * src/hmac256.c (_gcry_hmac256_finalize): Don't free HD.

diff --git a/src/hmac256.c b/src/hmac256.c
index 94a26da..6b62ed3 100644
--- a/src/hmac256.c
+++ b/src/hmac256.c
@@ -426,10 +426,8 @@ _gcry_hmac256_finalize (hmac256_context_t hd, size_t *r_dlen)
 
       tmphd = _gcry_hmac256_new (NULL, 0);
       if (!tmphd)
-        {
-          free (hd);
-          return NULL;
-        }
+	return NULL;
+
       _gcry_hmac256_update (tmphd, hd->opad, 64);
       _gcry_hmac256_update (tmphd, hd->buf, 32);
       finalize (tmphd);

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

Summary of changes:
 src/hmac256.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)


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