diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index dabd9d167d425b20d5a8844f4f90af2ff03346ef..eac9ce2c57a2ede6d56bda9985e0d06470babd76 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -4456,7 +4456,6 @@ unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr,
 		func_g.type = filter_parse_regex(glob, strlen(glob),
 						 &func_g.search, &not);
 		func_g.len = strlen(func_g.search);
-		func_g.search = glob;
 
 		/* we do not support '!' for function probes */
 		if (WARN_ON(not))