Fix for a memory leak on tracing_data_get() function when returning NULL 
explicitly

Signed-off-by: Felipe Pena <felipe...@gmail.com>
---
 tools/perf/util/trace-event-info.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/trace-event-info.c 
b/tools/perf/util/trace-event-info.c
index f3c9e55..2a0c3c9 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -518,13 +518,15 @@ struct tracing_data *tracing_data_get(struct list_head 
*pattrs,
                         "/tmp/perf-XXXXXX");
                if (!mkstemp(tdata->temp_file)) {
                        pr_debug("Can't make temp file");
-                       return NULL;
+                       err = -1;
+                       goto err_tdata;
                }

                temp_fd = open(tdata->temp_file, O_RDWR);
                if (temp_fd < 0) {
                        pr_debug("Can't read '%s'", tdata->temp_file);
-                       return NULL;
+                       err = -1;
+                       goto err_tdata;
                }

                /*
@@ -562,6 +564,7 @@ out:
                output_fd = fd;
        }

+err_tdata:
        if (err) {
                free(tdata);
                tdata = NULL;
--
1.7.10.4

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