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| author |   Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2014-11-14 11:42:06 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-11-19 15:25:48 -0500 |
| commit | 8e2e095cbecad21078332cd83ae7e61ecfe12c59 (patch) | |
| tree | 2e90e347e207d85ec483c7aef8355ab89424843b /include/trace | |
| parent | tracing: Remove return values of most trace_seq_*() functions (diff) | |
| download | linux-dev-8e2e095cbecad21078332cd83ae7e61ecfe12c59.tar.xz linux-dev-8e2e095cbecad21078332cd83ae7e61ecfe12c59.zip | |
tracing: Fix return value of ftrace_raw_output_prep()
If the trace_seq of ftrace_raw_output_prep() is full this function
returns TRACE_TYPE_PARTIAL_LINE, otherwise it returns zero.
The problem is that TRACE_TYPE_PARTIAL_LINE happens to be zero!
The thing is, the caller of ftrace_raw_output_prep() expects a
success to be zero. Change that to expect it to be
TRACE_TYPE_HANDLED.
Link: http://lkml.kernel.org/r/20141114112522.GA2988@dhcp128.suse.cz
Reminded-by: Petr Mladek <pmladek@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/ftrace.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index f13471b5d27a..139b5067345b 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -277,7 +277,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ field = (typeof(field))iter->ent; \ \ ret = ftrace_raw_output_prep(iter, trace_event); \ - if (ret) \ + if (ret != TRACE_TYPE_HANDLED) \ return ret; \ \ trace_seq_printf(s, print); \ |