来自Huichao Cai的邮件

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[Huichao Cai]

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From: <pbhagavatula@marvell.com>
To: <jerinj@marvell.com>, Kiran Kumar K <kirankumark@marvell.com>, "Nithin
 Dabilpuram" <ndabilpuram@marvell.com>, Zhirun Yan <yanzhirun_163@163.com>
CC: <dev@dpdk.org>, Pavan Nikhilesh <pbhagavatula@marvell.com>
Subject: [PATCH] graph: fix memory leak in node clone
Date: Wed, 30 Oct 2024 17:42:47 +0530
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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>
---
 lib/graph/node.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/graph/node.c b/lib/graph/node.c
index f15922892e..eb685b409f 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++)
-- 
2.25.1
There is one more place in the node_clone function that needs to be modified:	if (clone_name(reg->name, node->name, name))
		//goto free;
		goto free_xstat;



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