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Date: Mon, 11 Nov 2019 19:27:03 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, John Keeping <john@...anate.com>,
Jiri Olsa <jolsa@...nel.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Andres Freund <andres@...razel.de>
Subject: [PATCH 5.3 041/193] perf map: Use zalloc for map_groups
From: John Keeping <john@...anate.com>
commit ab6cd0e5276e24403751e0b3b8ed807738a8571f upstream.
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@...anate.com>
Reviewed-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: john keeping <john@...anate.com>
Link: http://lkml.kernel.org/r/20190815100146.28842-1-john@metanate.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Andres Freund <andres@...razel.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
tools/perf/util/map.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -637,7 +637,7 @@ bool map_groups__empty(struct map_groups
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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