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

From: Arnaldo Carvalho de Melo
Date: Mon May 10 2010 - 12:32:58 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

Cc: FrÃdÃric Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Tom Zanussi <tzanussi@xxxxxxxxx>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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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