Commit-ID: cf346d5bd4b9d61656df2f72565c9b354ef3ca0d
Gitweb: http://git.kernel.org/tip/cf346d5bd4b9d61656df2f72565c9b354ef3ca0d
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 25 Oct 2016 17:20:47 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 28 Oct 2016 11:29:44 -0200
perf scripting: Avoid leaking the scripting_context variable
Both register_perl_scripting() and register_python_scripting() allocate
this variable, fix it by checking if it already was.
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Tom Zanussi <tzanussi@xxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Fixes: 7e4b21b84c43 ("perf/scripts: Add Python scripting engine")
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/trace-event-scripting.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index 9df6105..a2fd6e7 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/tools/perf/util/trace-event-scripting.c
@@ -95,7 +95,8 @@ static void register_python_scripting(struct scripting_ops *scripting_ops)
if (err)
die("error registering py script extension");
- scripting_context = malloc(sizeof(struct scripting_context));
+ if (scripting_context == NULL)
+ scripting_context = malloc(sizeof(*scripting_context));
}
#ifdef NO_LIBPYTHON
@@ -159,7 +160,8 @@ static void register_perl_scripting(struct scripting_ops *scripting_ops)
if (err)
die("error registering pl script extension");
- scripting_context = malloc(sizeof(struct scripting_context));
+ if (scripting_context == NULL)
+ scripting_context = malloc(sizeof(*scripting_context));
}
#ifdef NO_LIBPERL
--
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