Re: [PATCH] app/proc-info: add rte_eal_cleanup() to avoid memory leak

[Stephen Hemminger <stephen@networkplumber.org>]

On Thu, 18 Aug 2022 16:37:42 +0500
Fidaullah Noonari <fidaullah.noonari@emumba.com> wrote:

> when app is launched with -m proc-info exit without
> rte_eal_cleanup() causing memory leakage. This commit resolves the
> memory leakage issue and closes app properly.
> 
> Bugzilla id: 898
> 
> Signed-off-by: Fidaullah Noonari <fidaullah.noonari@emumba.com>
> ---
>  app/proc-info/main.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/app/proc-info/main.c b/app/proc-info/main.c
> index 1bfba5f60d..44a946045e 100644
> --- a/app/proc-info/main.c
> +++ b/app/proc-info/main.c
> @@ -1523,6 +1523,9 @@ main(int argc, char **argv)
>  
>  	if (mem_info) {
>  		meminfo_display();
> +		ret = rte_eal_cleanup();
> +		if (ret != 0)
> +			printf("Error from rte_eal_cleanup(), %d\n", ret);

A goto would avoid duplicating code:

diff --git a/app/proc-info/main.c b/app/proc-info/main.c
index 1bfba5f60d10..9cfcce31ab9a 100644
--- a/app/proc-info/main.c
+++ b/app/proc-info/main.c
@@ -1523,7 +1523,7 @@ main(int argc, char **argv)
 
        if (mem_info) {
                meminfo_display();
-               return 0;
+               goto cleanup;
        }
 
        nb_ports = rte_eth_dev_count_avail();
@@ -1593,6 +1593,7 @@ main(int argc, char **argv)
        RTE_ETH_FOREACH_DEV(i)
                rte_eth_dev_close(i);
 
+cleanup:
        ret = rte_eal_cleanup();
        if (ret)
                printf("Error from rte_eal_cleanup(), %d\n", ret);