tracing/histograms: Fix memory leak problem

[linux-2.6-microblaze.git] / kernel / trace / trace_events_hist.c

diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 48e82e1..e87a467 100644 (file)
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -4430,6 +4430,8 @@ static int parse_var_defs(struct hist_trigger_data *hist_data)
 
                        s = kstrdup(field_str, GFP_KERNEL);
                        if (!s) {
+                               kfree(hist_data->attrs->var_defs.name[n_vars]);
+                               hist_data->attrs->var_defs.name[n_vars] = NULL;
                                ret = -ENOMEM;
                                goto free;
                        }