diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2008-05-12 21:20:53 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 21:08:12 +0200 |
| commit | 442e544ce52d4415a024920b84fb95c5f9aa0855 (patch) | |
| tree | c8b80e68d2d655732f1bdde79fa896c77d8d2c96 /kernel/trace/trace.c | |
| parent | ftrace: fix cmdline tracing (diff) | |
| download | linux-dev-442e544ce52d4415a024920b84fb95c5f9aa0855.tar.xz linux-dev-442e544ce52d4415a024920b84fb95c5f9aa0855.zip | |
ftrace: iter ctrl fix
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 3ae17e254fc3..688b4cf72d99 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1920,6 +1920,11 @@ tracing_iter_ctrl_write(struct file *filp, const char __user *ubuf, break; } } + /* + * If no option could be set, return an error: + */ + if (!trace_options[i]) + return -EINVAL; filp->f_pos += cnt; |