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>
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@ -167,7 +167,7 @@ create_child(struct callchain_node *parent, bool inherit_children)
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{
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struct callchain_node *new;
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new = malloc(sizeof(*new));
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new = zalloc(sizeof(*new));
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if (!new) {
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perror("not enough memory to create child for code path tree");
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return NULL;
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@ -213,7 +213,7 @@ fill_node(struct callchain_node *node, struct resolved_chain *chain, int start)
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for (i = start; i < chain->nr; i++) {
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struct callchain_list *call;
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call = malloc(sizeof(*call));
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call = zalloc(sizeof(*call));
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if (!call) {
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perror("not enough memory for the code path tree");
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return;
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@ -386,7 +386,7 @@ int append_chain(struct callchain_node *root, struct ip_callchain *chain,
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if (!chain->nr)
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return 0;
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filtered = malloc(sizeof(*filtered) +
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filtered = zalloc(sizeof(*filtered) +
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chain->nr * sizeof(struct resolved_ip));
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if (!filtered)
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return -ENOMEM;
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