Commit-ID: ab6cd0e5276e24403751e0b3b8ed807738a8571f
Gitweb: https://git.kernel.org/tip/ab6cd0e5276e24403751e0b3b8ed807738a8571f
Author: John Keeping <john@xxxxxxxxxxxx>
AuthorDate: Thu, 15 Aug 2019 11:01:44 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
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@xxxxxxxxxxxx>
Reviewed-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: john keeping <john@xxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20190815100146.28842-1-john@xxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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);
|