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perf tools: No need to test against NULL before calling free()

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Its perfectly fine to call free(NULL), so no need to clutter the source
code with all those superfluous testing.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-uux5wpvevlerd42gqer13e7n@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-12-26 15:54:57 -03:00
parent 6dd601354f
commit f5385650c0
7 changed files with 31 additions and 62 deletions
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3
tools/perf/util/scripting-engines/trace-event-python.c
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@ -161,8 +161,7 @@ static void define_event_symbols(struct event_format *event,
zero_flag_atom = 0;
break;
case PRINT_FIELD:
if (cur_field_name)
free(cur_field_name);
free(cur_field_name);
cur_field_name = strdup(args->field.name);
break;
case PRINT_FLAGS: