linux-kernel - [PATCH v2] net: amd: Fix link leak when verifying config failed

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Message-Id: <20230419065829.4077082-1-gangecen@hust.edu.cn>
Date:   Wed, 19 Apr 2023 14:58:29 +0800
From:   Gencen Gan <gangecen@...t.edu.cn>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     hust-os-kernel-patches@...glegroups.com,
        Gan Gecen <gangecen@...t.edu.cn>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] net: amd: Fix link leak when verifying config failed

From: Gan Gecen <gangecen@...t.edu.cn>

After failing to verify configuration, it returns directly without 
releasing link, which may cause memory leak.

Signed-off-by: Gan Gecen <gangecen@...t.edu.cn>
---
v1->v2: Fix the whitespace-damaged bug. 
 drivers/net/ethernet/amd/nmclan_cs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/amd/nmclan_cs.c b/drivers/net/ethernet/amd/nmclan_cs.c
index 823a329a921f..0dd391c84c13 100644
--- a/drivers/net/ethernet/amd/nmclan_cs.c
+++ b/drivers/net/ethernet/amd/nmclan_cs.c
@@ -651,7 +651,7 @@ static int nmclan_config(struct pcmcia_device *link)
     } else {
       pr_notice("mace id not found: %x %x should be 0x40 0x?9\n",
 		sig[0], sig[1]);
-      return -ENODEV;
+      goto failed;
     }
   }
 
-- 
2.34.1