Em Mon, Jul 04, 2016 at 04:01:37PM +0200, Jiri Olsa escreveu:
> It's better to release the hist_entry object in
> hist_entry__new function (where it's allocated)
> rather than in hist_entry__init.

Please combine this with the previous patch, that way this all gets
clearer :-\

- Arnaldo
 
> Link: http://lkml.kernel.org/n/tip-uoatzgsbdk3ebaeu56kdb...@git.kernel.org
> Signed-off-by: Jiri Olsa <jo...@kernel.org>
> ---
>  tools/perf/util/hist.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
> index ed7bea9aa68d..04f3b52a319c 100644
> --- a/tools/perf/util/hist.c
> +++ b/tools/perf/util/hist.c
> @@ -360,10 +360,8 @@ static int hist_entry__init(struct hist_entry *he,
>  
>       if (symbol_conf.cumulate_callchain) {
>               he->stat_acc = malloc(sizeof(he->stat));
> -             if (he->stat_acc == NULL) {
> -                     free(he);
> +             if (he->stat_acc == NULL)
>                       return -ENOMEM;
> -             }
>               memcpy(he->stat_acc, &he->stat, sizeof(he->stat));
>               if (!sample_self)
>                       memset(&he->stat, 0, sizeof(he->stat));
> @@ -381,7 +379,6 @@ static int hist_entry__init(struct hist_entry *he,
>               if (he->branch_info == NULL) {
>                       map__zput(he->ms.map);
>                       free(he->stat_acc);
> -                     free(he);
>                       return -ENOMEM;
>               }
>  
> @@ -415,7 +412,6 @@ static int hist_entry__init(struct hist_entry *he,
>                               map__put(he->mem_info->daddr.map);
>                       }
>                       free(he->stat_acc);
> -                     free(he);
>                       return -ENOMEM;
>               }
>       }
> @@ -439,10 +435,13 @@ static struct hist_entry *hist_entry__new(struct 
> hist_entry *template,
>               callchain_size = sizeof(struct callchain_root);
>  
>       he = zalloc(sizeof(*he) + callchain_size);
> -     if (he)
> +     if (he) {
>               err = hist_entry__init(he, template, sample_self);
> +             if (err)
> +                     zfree(&he);
> +     }
>  
> -     return err ? NULL : he;
> +     return he;
>  }
>  
>  static u8 symbol__parent_filter(const struct symbol *parent)
> -- 
> 2.4.11

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