[dpdk-stable] [dpdk-dev] [PATCH] app/eventdev: fix segfault with incorrect timer adadpters

[Jerin Jacob]

On Thu, Nov 12, 2020 at 11:13 PM <pbhagavatula at marvell.com> wrote:
>
> From: Pavan Nikhilesh <pbhagavatula at marvell.com>
>
> Fix SEGFAULT when nb_timer_adapters command line parameter is
> set to 0.
>
> Fixes: 98c6292105d4 ("app/eventdev: add options for event timer adapter")
> Cc: stable at dpdk.org
>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>

Acked-by: Jerin Jacob <jerinj at marvell.com>
Applied to dpdk-next-net-eventdev/for-main. Thanks



> ---
>  app/test-eventdev/evt_options.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/app/test-eventdev/evt_options.c b/app/test-eventdev/evt_options.c
> index 6994ac453..6aeab8257 100644
> --- a/app/test-eventdev/evt_options.c
> +++ b/app/test-eventdev/evt_options.c
> @@ -197,6 +197,10 @@ evt_parse_nb_timer_adptrs(struct evt_options *opt, const char *arg)
>         int ret;
>
>         ret = parser_read_uint8(&(opt->nb_timer_adptrs), arg);
> +       if (opt->nb_timer_adptrs <= 0) {
> +               evt_err("Number of timer adapters cant be <= 0");
> +               return -EINVAL;
> +       }
>
>         return ret;
>  }
> --
> 2.17.1
>