tracing: Update the comm field in the right variable in update_max_tr

[safe/jmp/linux-2.6] / kernel / trace / trace.c

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 032c57c..6efd5cb 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -592,7 +592,7 @@ static void
 __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 {
        struct trace_array_cpu *data = tr->data[cpu];
-       struct trace_array_cpu *max_data = tr->data[cpu];
+       struct trace_array_cpu *max_data;
 
        max_tr.cpu = cpu;
        max_tr.time_start = data->preempt_timestamp;
@@ -602,7 +602,7 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
        max_data->critical_start = data->critical_start;
        max_data->critical_end = data->critical_end;
 
-       memcpy(data->comm, tsk->comm, TASK_COMM_LEN);
+       memcpy(max_data->comm, tsk->comm, TASK_COMM_LEN);
        max_data->pid = tsk->pid;
        max_data->uid = task_uid(tsk);
        max_data->nice = tsk->static_prio - 20 - MAX_RT_PRIO;