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authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-08 15:06:09 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-08 15:06:09 -0400
commitf17f36bb1c006818441b84cf65a6decf3e59942b (patch)
tree865b308feea81c3c399669e9ec191a4cdad3265b /kernel/trace/trace_branch.c
parentb924f9599dfd4a604761e84b1e920e480fb57f66 (diff)
parent8f6e8a314ab37cadd72da5ace9027f2d04aba854 (diff)
Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: tracing: user local buffer variable for trace branch tracer tracing: fix warning on kernel/trace/trace_branch.c andtrace_hw_branches.c ftrace: check for failure for all conversions tracing: correct module boundaries for ftrace_release tracing: fix transposed numbers of lock_depth and preempt_count trace: Fix missing assignment in trace_ctxwake_* tracing: Use free_percpu instead of kfree tracing: Check total refcount before releasing bufs in profile_enable failure
Diffstat (limited to 'kernel/trace/trace_branch.c')
-rw-r--r--kernel/trace/trace_branch.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index 7a7a9fd249a9..4a194f08f88c 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -34,6 +34,7 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
34 struct trace_array *tr = branch_tracer; 34 struct trace_array *tr = branch_tracer;
35 struct ring_buffer_event *event; 35 struct ring_buffer_event *event;
36 struct trace_branch *entry; 36 struct trace_branch *entry;
37 struct ring_buffer *buffer;
37 unsigned long flags; 38 unsigned long flags;
38 int cpu, pc; 39 int cpu, pc;
39 const char *p; 40 const char *p;
@@ -54,7 +55,8 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
54 goto out; 55 goto out;
55 56
56 pc = preempt_count(); 57 pc = preempt_count();
57 event = trace_buffer_lock_reserve(tr, TRACE_BRANCH, 58 buffer = tr->buffer;
59 event = trace_buffer_lock_reserve(buffer, TRACE_BRANCH,
58 sizeof(*entry), flags, pc); 60 sizeof(*entry), flags, pc);
59 if (!event) 61 if (!event)
60 goto out; 62 goto out;
@@ -74,8 +76,8 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
74 entry->line = f->line; 76 entry->line = f->line;
75 entry->correct = val == expect; 77 entry->correct = val == expect;
76 78
77 if (!filter_check_discard(call, entry, tr->buffer, event)) 79 if (!filter_check_discard(call, entry, buffer, event))
78 ring_buffer_unlock_commit(tr->buffer, event); 80 ring_buffer_unlock_commit(buffer, event);
79 81
80 out: 82 out:
81 atomic_dec(&tr->data[cpu]->disabled); 83 atomic_dec(&tr->data[cpu]->disabled);