linux-kernel - [PATCH 2/4] perf callchains: Use zalloc to allocate objects

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Date:	Mon, 10 May 2010 13:32:19 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Tom Zanussi <tzanussi@...il.com>
Subject: [PATCH 2/4] perf callchains: Use zalloc to allocate objects

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Cc: Frédéric Weisbecker <fweisbec@...il.com>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Tom Zanussi <tzanussi@...il.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/callchain.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index ac14861..21a52e0 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -167,7 +167,7 @@ create_child(struct callchain_node *parent, bool inherit_children)
 {
 	struct callchain_node *new;
 
-	new = malloc(sizeof(*new));
+	new = zalloc(sizeof(*new));
 	if (!new) {
 		perror("not enough memory to create child for code path tree");
 		return NULL;
@@ -213,7 +213,7 @@ fill_node(struct callchain_node *node, struct resolved_chain *chain, int start)
 	for (i = start; i < chain->nr; i++) {
 		struct callchain_list *call;
 
-		call = malloc(sizeof(*call));
+		call = zalloc(sizeof(*call));
 		if (!call) {
 			perror("not enough memory for the code path tree");
 			return;
@@ -386,7 +386,7 @@ int append_chain(struct callchain_node *root, struct ip_callchain *chain,
 	if (!chain->nr)
 		return 0;
 
-	filtered = malloc(sizeof(*filtered) +
+	filtered = zalloc(sizeof(*filtered) +
 			  chain->nr * sizeof(struct resolved_ip));
 	if (!filtered)
 		return -ENOMEM;
-- 
1.6.2.5

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