perf callchains: Use zalloc to allocate objects

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index ac148613afe8..21a52e0a4435 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;