diff options
Diffstat (limited to 'kernel/trace/trace_events.c')
| -rw-r--r-- | kernel/trace/trace_events.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 210e71ff82d..4488d90e75e 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c | |||
| @@ -656,11 +656,13 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events) | |||
| 656 | return -1; | 656 | return -1; |
| 657 | } | 657 | } |
| 658 | 658 | ||
| 659 | entry = debugfs_create_file("enable", 0644, call->dir, call, | 659 | if (call->regfunc) { |
| 660 | &ftrace_enable_fops); | 660 | entry = debugfs_create_file("enable", 0644, call->dir, call, |
| 661 | if (!entry) | 661 | &ftrace_enable_fops); |
| 662 | pr_warning("Could not create debugfs " | 662 | if (!entry) |
| 663 | "'%s/enable' entry\n", call->name); | 663 | pr_warning("Could not create debugfs " |
| 664 | "'%s/enable' entry\n", call->name); | ||
| 665 | } | ||
| 664 | 666 | ||
| 665 | /* Only let type be writable, if we can change it */ | 667 | /* Only let type be writable, if we can change it */ |
| 666 | entry = debugfs_create_file("type", | 668 | entry = debugfs_create_file("type", |