linux-kernel - [PATCH 5.12 210/677] staging: qlge: fix an error code in probe()

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Message-Id: <20210512144844.220920807@linuxfoundation.org>
Date:   Wed, 12 May 2021 16:44:16 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 210/677] staging: qlge: fix an error code in probe()

From: Dan Carpenter <dan.carpenter@...cle.com>

[ Upstream commit f7bff017741d98567265ed6a6449311a51810fb6 ]

If alloc_etherdev_mq() fails then return -ENOMEM instead of success.
The "err = 0;" triggers an unused assignment now so remove that as
well.

Fixes: 953b94009377 ("staging: qlge: Initialize devlink health dump framework")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Link: https://lore.kernel.org/r/YFiyicHI189PXrha@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/staging/qlge/qlge_main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 5516be3af898..c1d52190e1bd 100644
--- a/drivers/staging/qlge/qlge_main.c
+++ b/drivers/staging/qlge/qlge_main.c
@@ -4550,7 +4550,7 @@ static int qlge_probe(struct pci_dev *pdev,
 	struct net_device *ndev = NULL;
 	struct devlink *devlink;
 	static int cards_found;
-	int err = 0;
+	int err;
 
 	devlink = devlink_alloc(&qlge_devlink_ops, sizeof(struct qlge_adapter));
 	if (!devlink)
@@ -4561,8 +4561,10 @@ static int qlge_probe(struct pci_dev *pdev,
 	ndev = alloc_etherdev_mq(sizeof(struct qlge_netdev_priv),
 				 min(MAX_CPUS,
 				     netif_get_num_default_rss_queues()));
-	if (!ndev)
+	if (!ndev) {
+		err = -ENOMEM;
 		goto devlink_free;
+	}
 
 	ndev_priv = netdev_priv(ndev);
 	ndev_priv->qdev = qdev;
-- 
2.30.2