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

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Message-Id: <20230417144750.3976715-1-gangecen@hust.edu.cn>
Date:   Mon, 17 Apr 2023 22:47:50 +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:     Gecen Gan <gangecen@...t.edu.cn>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] net: amd: Fix link leak when verifying config failed

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

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

Signed-off-by: Gecen Gan <gangecen@...t.edu.cn>
---
 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