[dpdk-dev] [dpdk-stable] [PATCH] stack: fix possible uninitialized success variable
David Marchand
david.marchand at redhat.com
Mon Sep 28 12:29:38 CEST 2020
On Fri, Sep 25, 2020 at 7:02 AM wangyunjian <wangyunjian at huawei.com> wrote:
>
> From: Yunjian Wang <wangyunjian at huawei.com>
>
> This patch fixes an issue that uninitialized 'success'
> is used to be compared with '0'.
>
> Coverity issue: 337676
> Fixes: 3340202f5954 ("stack: add lock-free implementation")
> Cc: stable at dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
> ---
> lib/librte_stack/rte_stack_lf_generic.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/librte_stack/rte_stack_lf_generic.h b/lib/librte_stack/rte_stack_lf_generic.h
> index 3abbb5342..4850a05ee 100644
> --- a/lib/librte_stack/rte_stack_lf_generic.h
> +++ b/lib/librte_stack/rte_stack_lf_generic.h
> @@ -78,7 +78,7 @@ __rte_stack_lf_pop_elems(struct rte_stack_lf_list *list,
> struct rte_stack_lf_elem **last)
> {
> struct rte_stack_lf_head old_head;
> - int success;
> + int success = 0;
>
> /* Reserve num elements, if available */
> while (1) {
> --
> 2.23.0
>
Reviewed-by: David Marchand <david.marchand at redhat.com>
--
David Marchand
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