Messages in this thread Patch in this message | | | Date | Fri, 16 Aug 2019 13:59:36 -0700 | From | tip-bot for John Keeping <> | Subject | [tip:perf/core] perf map: Use zalloc for map_groups |
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Commit-ID: ab6cd0e5276e24403751e0b3b8ed807738a8571f Gitweb: https://git.kernel.org/tip/ab6cd0e5276e24403751e0b3b8ed807738a8571f Author: John Keeping <john@metanate.com> AuthorDate: Thu, 15 Aug 2019 11:01:44 +0100 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Fri, 16 Aug 2019 12:25:23 -0300
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> --- tools/perf/util/map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 668410b1d426..44b556812e4b 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -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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