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-rw-r--r--fs/pstore/ftrace.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/pstore/ftrace.c b/fs/pstore/ftrace.c
index 31548cc09e7b..899d0ba0bd6c 100644
--- a/fs/pstore/ftrace.c
+++ b/fs/pstore/ftrace.c
@@ -75,10 +75,13 @@ static ssize_t pstore_ftrace_knob_write(struct file *f, const char __user *buf,
if (!on ^ pstore_ftrace_enabled)
goto out;
- if (on)
+ if (on) {
+ ftrace_ops_set_global_filter(&pstore_ftrace_ops);
ret = register_ftrace_function(&pstore_ftrace_ops);
- else
+ } else {
ret = unregister_ftrace_function(&pstore_ftrace_ops);
+ }
+
if (ret) {
pr_err("%s: unable to %sregister ftrace ops: %zd\n",
__func__, on ? "" : "un", ret);