babeltrace: Fix invalid pointer free with trace collection

This fixed the bug https://bugs.lttng.org/issues/790

(From OE-Core rev: 8152bcadba8581f75822b75e13c2a43dd6464cd3)

Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 47 insertions, 1 deletions

diff --git a/meta/recipes-kernel/lttng/babeltrace/0001-Fix-invalid-pointer-free-with-trace-collection.patch b/meta/recipes-kernel/lttng/babeltrace/0001-Fix-invalid-pointer-free-with-trace-collection.patch
new file mode 100644
index 0000000000..3e2c4e1e68
--- /dev/null
+++ b/meta/recipes-kernel/lttng/babeltrace/0001-Fix-invalid-pointer-free-with-trace-collection.patch
@@ -0,0 +1,44 @@
+From e4cad900994cf286d971796a947fea782dfc6651 Mon Sep 17 00:00:00 2001
+From: Francis Giraldeau <francis.giraldeau@gmail.com>
+Date: Mon, 15 Jun 2015 11:43:02 -0400
+Subject: [PATCH] Fix invalid pointer free with trace collection
+
+Upstream-Status: Submitted
+
+Patch proposed by Li RongQing related to bug# 790
+
+Signed-off-by: Mikael Beckius <mikael.beckius@windriver.com>
+Signed-off-by: Francis Giraldeau <francis.giraldeau@gmail.com>
+---
+ lib/context.c | 8 +++-----
+ 1 file changed, 3 insertions(+), 5 deletions(-)
+
+diff --git a/lib/context.c b/lib/context.c
+index 45aab34..8d3770f 100644
+--- a/lib/context.c
++++ b/lib/context.c
+@@ -79,7 +79,7 @@ int bt_context_add_trace(struct bt_context *ctx, const char *path,
+        struct bt_trace_descriptor *td;
+        struct bt_format *fmt;
+        struct bt_trace_handle *handle;
+-       int ret, closeret;
++       int ret;
+ 
+        if (!ctx || !format_name || (!path && !stream_list))
+                return -EINVAL;
+@@ -159,10 +159,8 @@ int bt_context_add_trace(struct bt_context *ctx, const char *path,
+        return handle->id;
+ 
+ error:
+-       closeret = fmt->close_trace(td);
+-       if (closeret) {
+-               fprintf(stderr, "Error in close_trace callback\n");
+-       }
++       if (handle)
++               bt_context_remove_trace(ctx, handle->id);
+ end:
+        return ret;
+ }
+-- 
+1.9.1
+
diff --git a/meta/recipes-kernel/lttng/babeltrace_1.2.4.bb b/meta/recipes-kernel/lttng/babeltrace_1.2.4.bb
index f616146393..536be41e3d 100644
--- a/meta/recipes-kernel/lttng/babeltrace_1.2.4.bb
+++ b/meta/recipes-kernel/lttng/babeltrace_1.2.4.bb
@@ -13,7 +13,9 @@ DEPENDS = "glib-2.0 util-linux popt bison-native flex-native"
 SRCREV = "90395824efc007de88787a6b8e400a07c980be1c"
 PV = "1.2.4+git${SRCPV}"
 
-SRC_URI = "git://git.efficios.com/babeltrace.git;branch=stable-1.2"
+SRC_URI = "git://git.efficios.com/babeltrace.git;branch=stable-1.2 \
+           file://0001-Fix-invalid-pointer-free-with-trace-collection.patch \
+"
 
 S = "${WORKDIR}/git"