Commit ab6cd0e5 authored Aug 15, 2019 by John Keeping Committed by Arnaldo Carvalho de Melo Aug 16, 2019

perf map: Use zalloc for map_groups



In the next commit we will add new fields to map_groups and we need
these to be null if no value is assigned.  The simplest way to achieve
this is to request zeroed memory from the allocator.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: john keeping <john@metanate.com>
Link: http://lkml.kernel.org/r/20190815100146.28842-1-john@metanate.com


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent ef4b1a53

tools/perf/util/map.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -636,7 +636,7 @@ bool map_groups__empty(struct map_groups *mg)

		struct map_groups map_groups__new(struct machine machine)
		{
		struct map_groups mg = malloc(sizeof(mg));
		struct map_groups mg = zalloc(sizeof(mg));

		if (mg != NULL)
		map_groups__init(mg, machine);

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