netdev - [PATCH net] bnxt_en: Remove debugfs when pci_register

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Message-ID: <20221111070433.3498215-1-cuigaosheng1@huawei.com>
Date:   Fri, 11 Nov 2022 15:04:33 +0800
From:   Gaosheng Cui <cuigaosheng1@...wei.com>
To:     <michael.chan@...adcom.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <gospo@...adcom.com>, <cuigaosheng1@...wei.com>
CC:     <netdev@...r.kernel.org>
Subject: [PATCH net] bnxt_en: Remove debugfs when pci_register_driver failed

When pci_register_driver failed, we need to remove debugfs,
which will caused a resource leak, fix it.

Resource leak logs as follows:
[   52.184456] debugfs: Directory 'bnxt_en' with parent '/' already present!

Fixes: cabfb09d87bd ("bnxt_en: add debugfs support for DIM")
Signed-off-by: Gaosheng Cui <cuigaosheng1@...wei.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 743504a27b71..0fe164b42c5d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -14059,8 +14059,16 @@ static struct pci_driver bnxt_pci_driver = {
 
 static int __init bnxt_init(void)
 {
+	int err;
+
 	bnxt_debug_init();
-	return pci_register_driver(&bnxt_pci_driver);
+	err = pci_register_driver(&bnxt_pci_driver);
+	if (err) {
+		bnxt_debug_exit();
+		return err;
+	}
+
+	return 0;
 }
 
 static void __exit bnxt_exit(void)
-- 
2.25.1