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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-04-17 02:35:39 -0400
committerIngo Molnar <mingo@elte.hu>2009-04-17 11:52:26 -0400
commit76aa81118ddfbb3dc31533030cf3ec329dd067a6 (patch)
treeab741782e757be5635413b5f1359cd0d520a22a4
parent9ea21c1ecdb35ecdcac5fd9d95f62a1f6a7ffec0 (diff)
tracing: avoid warnings from zero-arg tracepoints
Tracepoints with no arguments can issue two warnings: "field" defined by not used "ret" is uninitialized in this function Mark field as being OK to leave unused, and initialize ret. [ Impact: fix false positive compiler warnings. ] Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: mathieu.desnoyers@polymtl.ca LKML-Reference: <1239950139-1119-5-git-send-email-jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--include/trace/ftrace.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 60c5323bee64..39a3351f2e7f 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -160,8 +160,8 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \
160static int \ 160static int \
161ftrace_format_##call(struct trace_seq *s) \ 161ftrace_format_##call(struct trace_seq *s) \
162{ \ 162{ \
163 struct ftrace_raw_##call field; \ 163 struct ftrace_raw_##call field __attribute__((unused)); \
164 int ret; \ 164 int ret = 0; \
165 \ 165 \
166 tstruct; \ 166 tstruct; \
167 \ 167 \