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

[<pbhagavatula@marvell.com>]

From: Pavan Nikhilesh <pbhagavatula@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@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