diff options
Diffstat (limited to 'kernel/trace/trace_hwlat.c')
| -rw-r--r-- | kernel/trace/trace_hwlat.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c index 17873e5d0353..c0df9b97f147 100644 --- a/kernel/trace/trace_hwlat.c +++ b/kernel/trace/trace_hwlat.c @@ -368,7 +368,7 @@ static int start_kthread(struct trace_array *tr) struct task_struct *kthread; int next_cpu; - if (WARN_ON(hwlat_kthread)) + if (hwlat_kthread) return 0; /* Just pick the first CPU on first iteration */ @@ -485,11 +485,11 @@ hwlat_width_write(struct file *filp, const char __user *ubuf, * @ppos: The current position in @file * * This function provides a write implementation for the "window" interface - * to the hardware latency detetector. The window is the total time + * to the hardware latency detector. The window is the total time * in us that will be considered one sample period. Conceptually, windows * occur back-to-back and contain a sample width period during which * actual sampling occurs. Can be used to write a new total window size. It - * is enfoced that any value written must be greater than the sample width + * is enforced that any value written must be greater than the sample width * size, or an error results. */ static ssize_t @@ -538,14 +538,14 @@ static const struct file_operations window_fops = { */ static int init_tracefs(void) { - struct dentry *d_tracer; + int ret; struct dentry *top_dir; - d_tracer = tracing_init_dentry(); - if (IS_ERR(d_tracer)) + ret = tracing_init_dentry(); + if (ret) return -ENOMEM; - top_dir = tracefs_create_dir("hwlat_detector", d_tracer); + top_dir = tracefs_create_dir("hwlat_detector", NULL); if (!top_dir) return -ENOMEM; |