tracing: fix warning on kernel/trace/trace_branch.c andtrace_hw_branches.c

fix warnings that caused the API change of trace_buffer_lock_reserve()
change files: kernel/trace/trace_hw_branch.c
              kernel/trace/trace_branch.c

Signed-off-by: Zhenwen Xu <helight.xu@gmail.com>
LKML-Reference: <20091008012146.GA4170@helight>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index 7a7a9fd249a9c7c158d136dfc998efc9e908f35c..216e2dd302a0fdf8ef026d6d932a90d2e6653105 100644 (file)
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -54,7 +54,7 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
                goto out;
 
        pc = preempt_count();
-       event = trace_buffer_lock_reserve(tr, TRACE_BRANCH,
+       event = trace_buffer_lock_reserve(tr->buffer, TRACE_BRANCH,
                                          sizeof(*entry), flags, pc);
        if (!event)
                goto out;

diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index 23b63859130e3e4084911ec07842c65c456331a9..69543a905cd5f1c92086cb47576a21028db11a37 100644 (file)
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -165,6 +165,7 @@ void trace_hw_branch(u64 from, u64 to)
        struct ftrace_event_call *call = &event_hw_branch;
        struct trace_array *tr = hw_branch_trace;
        struct ring_buffer_event *event;
+       struct ring_buffer *buf;
        struct hw_branch_entry *entry;
        unsigned long irq1;
        int cpu;
@@ -180,7 +181,8 @@ void trace_hw_branch(u64 from, u64 to)
        if (atomic_inc_return(&tr->data[cpu]->disabled) != 1)
                goto out;
 
-       event = trace_buffer_lock_reserve(tr, TRACE_HW_BRANCHES,
+       buf = tr->buffer;
+       event = trace_buffer_lock_reserve(buf, TRACE_HW_BRANCHES,
                                          sizeof(*entry), 0, 0);
        if (!event)
                goto out;
@@ -189,8 +191,8 @@ void trace_hw_branch(u64 from, u64 to)
        entry->ent.type = TRACE_HW_BRANCHES;
        entry->from = from;
        entry->to   = to;
-       if (!filter_check_discard(call, entry, tr->buffer, event))
-               trace_buffer_unlock_commit(tr, event, 0, 0);
+       if (!filter_check_discard(call, entry, buf, event))
+               trace_buffer_unlock_commit(buf, event, 0, 0);
 
  out:
        atomic_dec(&tr->data[cpu]->disabled);