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tools lib traceevent: Get rid of malloc_or_die() in find_event()

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Make it return pevent_errno to distinguish malloc allocation failure.
Since it'll be returned to user later, add more error code.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1386833777-3790-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2013-12-12 16:36:08 +09:00 • committed by Arnaldo Carvalho de Melo
commit 605b8fda95
2 changed files with 22 additions and 9 deletions
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4
tools/lib/traceevent/event-parse.h
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@ -356,7 +356,9 @@ enum pevent_flag {
_PE(READ_FORMAT_FAILED, "failed to read event format"), \
_PE(READ_PRINT_FAILED, "failed to read event print fmt"), \
_PE(OLD_FTRACE_ARG_FAILED,"failed to allocate field name for ftrace"),\
_PE(INVALID_ARG_TYPE, "invalid argument type")
_PE(INVALID_ARG_TYPE, "invalid argument type"), \
_PE(INVALID_EVENT_NAME, "invalid event name"), \
_PE(EVENT_NOT_FOUND, "No event found")
#undef _PE
#define _PE(__code, __str) PEVENT_ERRNO__ ## __code