[dpdk-dev] [PATCH 02/14] eal: log: free dynamic state on cleanup

David Marchand david.marchand at redhat.com
Sat Apr 25 18:26:57 CEST 2020


On Sat, Jan 4, 2020 at 2:34 AM Stephen Hemminger
<stephen at networkplumber.org> wrote:
>
> When rte_eal_cleanup is called, free all the memory
> associated with dynamic log levels and types.
>
> Fixes: c1b5fa94a46f ("eal: support dynamic log types")
> Cc: olivier.matz at 6wind.com
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---
>  lib/librte_eal/common/eal_common_log.c | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/lib/librte_eal/common/eal_common_log.c b/lib/librte_eal/common/eal_common_log.c
> index 64d6e20947ed..7583bdc57619 100644
> --- a/lib/librte_eal/common/eal_common_log.c
> +++ b/lib/librte_eal/common/eal_common_log.c
> @@ -470,8 +471,23 @@ eal_log_set_default(FILE *default_log)
>  void
>  eal_log_cleanup(void)
>  {
> +       struct rte_eal_opt_loglevel *opt_ll, *tmp;
> +       size_t i;
> +
>         if (default_log_stream) {
>                 fclose(default_log_stream);
>                 default_log_stream = NULL;
>         }
> +
> +       TAILQ_FOREACH_SAFE(opt_ll, &opt_loglevel_list, next, tmp) {
> +               free(opt_ll->pattern);

In regexp case, we have a leak on the regexp buffer.
Fixed with:

+        if (opt_ll->pattern != NULL)
+            free(opt_ll->pattern);
+        else
+            regfree(&opt_ll->re_match);


> +               free(opt_ll);
> +       }
> +
> +       for (i = 0; i < rte_logs.dynamic_types_len; i++)
> +               free(rte_logs.dynamic_types[i].name);
> +
> +       rte_logs.dynamic_types_len = 0;
> +       free(rte_logs.dynamic_types);
> +       rte_logs.dynamic_types = NULL;
>  }
> --
> 2.20.1
>


-- 
David Marchand



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