diff options
| -rw-r--r-- | fs/pstore/ftrace.c | 7 |
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); |