lib: Clean up potential memory leak

If sapi_ctx_init fails, free tcti_ctx

resolves: rhbz#1503959

Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>

0001-lib-clean-up-potential-memory-leak.patch

@@ -0,0 +1,31 @@
+From 5b84837757cab93397cfa5830e69d2b7e7ce0e0c Mon Sep 17 00:00:00 2001
+From: Jerry Snitselaar <jsnitsel@redhat.com>
+Date: Wed, 18 Oct 2017 21:46:45 -0700
+Subject: [PATCH] lib: clean up potential memory leak
+
+In case where sapi_ctx_init fails in sapi_init_from_options, free tcti_ctx.
+
+Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
+---
+ lib/context-util.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/lib/context-util.c b/lib/context-util.c
+index 7de22ac..c3034f9 100644
+--- a/lib/context-util.c
++++ b/lib/context-util.c
+@@ -205,8 +205,10 @@ sapi_init_from_options (common_opts_t *options)
+     if (tcti_ctx == NULL)
+         return NULL;
+     sapi_ctx = sapi_ctx_init (tcti_ctx);
+-    if (sapi_ctx == NULL)
++    if (sapi_ctx == NULL) {
++        free (tcti_ctx);
+         return NULL;
++    }
+     return sapi_ctx;
+ }
+ /*
+-- 
+2.15.0.rc0
+

tpm2-tools.spec

@@ -1,6 +1,6 @@
 Name: tpm2-tools
 Version: 2.1.0 
-Release: 6%{?dist}
+Release: 7%{?dist}
 Summary: A TPM2.0 testing tool build upon TPM2.0-TSS
 
 %global pkg_prefix tpm2.0-tools
@@ -13,6 +13,8 @@ Source0: https://github.com/01org/tpm2.0-tools/archive/%{version}.tar.gz#/%{pkg_
 Patch0: gcc7-implict-fallthrough-fix.patch
 # https://github.com/01org/tpm2-tools/commit/5cee30cbc3da
 Patch1: allow-to-build-with-openssl-1.1.x.patch
+# https://github.com/01org/tpm2-tools/pull/567
+Patch2: 0001-lib-clean-up-potential-memory-leak.patch
 
 BuildRequires: gcc-c++
 BuildRequires: libtool
@@ -54,6 +56,9 @@ tpm2-tools is a batch of testing tools for tpm2.0. It is based on tpm2-tss.
 %{_mandir}/man8/tpm2_*.8.gz
 
 %changelog
+* Thu Oct 19 2017 Jerry Snitselaar <jsnitsel@redhat.com> - 2.1.0-7
+- Clean up potential memleak (RHBZ#1503959)
+
 * Thu Oct 05 2017 Javier Martinez Canillas <javierm@redhat.com> - 2.1.0-6
 - Add tpm2-abrmd-devel BuildRequires so tools have abrmd support (RHBZ#1498909)