trace-cmd: Reset plugin_function variables on unload

Seems that unloading the dynamic plugin and loading it again
does not reset the static variables back to their original
value.

On unload, reset these variables back.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/plugin_function.c b/plugin_function.c
index 9ee0eaa..62e8072 100644
--- a/plugin_function.c
+++ b/plugin_function.c
@@ -140,4 +140,6 @@ void PEVENT_PLUGIN_UNLOADER(void)
         }
 
         free(fstack);
+        fstack = NULL;
+        cpus = -1;
 }