trace-cmd: Fixed small memory leak in plugin code

Thanks again to valgrind in finding some memory leaks in the plugin
code.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 8 insertions, 3 deletions

diff --git a/trace-util.c b/trace-util.c
index d5be6ed..520f800 100644
--- a/trace-util.c
+++ b/trace-util.c
@@ -154,7 +154,7 @@ static int load_plugin(struct pevent *pevent,
         char *plugin;
         void *handle;
         pevent_plugin_load_func func;
-        int ret;
+        int ret = -1;
 
         plugin = malloc_or_die(strlen(path) + strlen(file) + 2);
 
@@ -166,19 +166,22 @@ static int load_plugin(struct pevent *pevent,
         if (!handle) {
                 warning("cound not load plugin '%s'\n%s\n",
                         plugin, dlerror());
-                return -1;
+                goto out;
         }
 
         func = dlsym(handle, PEVENT_PLUGIN_LOADER_NAME);
         if (!func) {
                 warning("cound not find func '%s' in plugin '%s'\n%s\n",
                         PEVENT_PLUGIN_LOADER_NAME, plugin, dlerror());
-                return -1;
+                goto out;
         }
 
         printf("registering plugin: %s\n", plugin);
         ret = func(pevent);
 
+ out:
+        free(plugin);
+
         /* dlclose ?? */
         return ret;
 }
@@ -262,5 +265,7 @@ int trace_load_plugins(struct pevent *pevent)
 
  fail:
         free(path);
+        closedir(dir);
+
         return -1;
 }