libyaml: update from 0.1.5 to 0.1.6

removed patch:
- libyaml-CVE-2014-2525.patch (included by 0.1.6)

Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-support/libyaml/files/libyaml-CVE-2014-2525.patch

@@ -1,42 +0,0 @@
-Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function
-in LibYAML before 0.1.6 allows context-dependent attackers to execute
-arbitrary code via a long sequence of percent-encoded characters in a
-URI in a YAML file.
-
-Upstream-Status: Backport
-
-Signed-off-by: Kai Kang <kai.kang@windriver.com>
----
-diff --git a/src/scanner.c.old b/src/scanner.c
-index a2e8619..c6cde3b 100644
---- a/src/scanner.c.old
-+++ b/src/scanner.c
-@@ -2619,6 +2619,9 @@ yaml_parser_scan_tag_uri(yaml_parser_t *parser, int directive,
-         /* Check if it is a URI-escape sequence. */
- 
-         if (CHECK(parser->buffer, '%')) {
-+            if (!STRING_EXTEND(parser, string))
-+                goto error;
-+
-             if (!yaml_parser_scan_uri_escapes(parser,
-                         directive, start_mark, &string)) goto error;
-         }
-diff --git a/src/yaml_private.h.old b/src/yaml_private.h
-index ed5ea66..d72acb4 100644
---- a/src/yaml_private.h.old
-+++ b/src/yaml_private.h
-@@ -132,9 +132,12 @@ yaml_string_join(
-      (string).start = (string).pointer = (string).end = 0)
- 
- #define STRING_EXTEND(context,string)                                           \
--    (((string).pointer+5 < (string).end)                                        \
-+    ((((string).pointer+5 < (string).end)                                       \
-         || yaml_string_extend(&(string).start,                                  \
--            &(string).pointer, &(string).end))
-+            &(string).pointer, &(string).end)) ?                                \
-+         1 :                                                                    \
-+        ((context)->error = YAML_MEMORY_ERROR,                                  \
-+         0))
- 
- #define CLEAR(context,string)                                                   \
-     ((string).pointer = (string).start,                                         \

meta-oe/recipes-support/libyaml/libyaml_0.1.6.bb

@@ -8,11 +8,10 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=6015f088759b10e0bc2bf64898d4ae17"
 
 SRC_URI = "http://pyyaml.org/download/libyaml/yaml-${PV}.tar.gz \
-           file://libyaml-CVE-2014-2525.patch \
           "
 
-SRC_URI[md5sum] = "24f6093c1e840ca5df2eb09291a1dbf1"
-SRC_URI[sha256sum] = "fa87ee8fb7b936ec04457bc044cd561155e1000a4d25029867752e543c2d3bef"
+SRC_URI[md5sum] = "5fe00cda18ca5daeb43762b80c38e06e"
+SRC_URI[sha256sum] = "7da6971b4bd08a986dd2a61353bc422362bd0edcc67d7ebaac68c95f74182749"
 
 S = "${WORKDIR}/yaml-${PV}"