[PATCH v2] graph: fix memory leak in node clone

[Kiran Kumar Kokkilagadda]

> -----Original Message-----
> From: pbhagavatula at marvell.com <pbhagavatula at marvell.com>
> Sent: Friday, November 1, 2024 1:08 PM
> To: Jerin Jacob <jerinj at marvell.com>; chcchc88 at 163.com; Kiran Kumar
> Kokkilagadda <kirankumark at marvell.com>; Nithin Kumar Dabilpuram
> <ndabilpuram at marvell.com>; Zhirun Yan <yanzhirun_163 at 163.com>
> Cc: dev at dpdk.org; Pavan Nikhilesh Bhagavatula
> <pbhagavatula at marvell.com>
> Subject: [PATCH v2] graph: fix memory leak in node clone
> 
> From: Pavan Nikhilesh <pbhagavatula at marvell.com>
> 
> Free memory allocated for the node when xstats memory allocation fails.
> 
> Coverity issue: 445529
> Fixes: 070db97e017b ("graph: support node xstats")
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
> ---

Acked-by: Kiran Kumar Kokkilagadda <kirankumark at marvell.com>



> v2 Changes:
> - Fix one more leak. (Huichao cai)
> 
>  lib/graph/node.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/graph/node.c b/lib/graph/node.c index
> f15922892e..63db629da8 100644
> --- a/lib/graph/node.c
> +++ b/lib/graph/node.c
> @@ -156,7 +156,7 @@ node_clone(struct node *node, const char *name)
>  				     (node->xstats->nb_xstats *
> RTE_NODE_XSTAT_DESC_SIZE));
>  		if (reg->xstats == NULL) {
>  			rte_errno = ENOMEM;
> -			goto fail;
> +			goto free;
>  		}
> 
>  		for (i = 0; i < node->xstats->nb_xstats; i++) @@ -178,7 +178,7
> @@ node_clone(struct node *node, const char *name)
> 
>  	/* Naming ceremony of the new node. name is node->name + "-" +
> name */
>  	if (clone_name(reg->name, node->name, name))
> -		goto free;
> +		goto free_xstat;
> 
>  	rc = __rte_node_register(reg);
>  free_xstat:
> --
> 2.25.1