linux-kernel - [PATCH] net: chelsio: cxgb4vf: Make use of the helper function dev_err

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Message-ID: <20210915145812.7410-1-caihuoqing@baidu.com>
Date:   Wed, 15 Sep 2021 22:58:11 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Raju Rangoju <rajur@...lsio.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] net: chelsio: cxgb4vf: Make use of the helper function dev_err_probe()

When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
And using dev_err_probe() can reduce code size, and simplify the code.

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 49b76fd47daa..4920a80a0460 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2902,10 +2902,8 @@ static int cxgb4vf_pci_probe(struct pci_dev *pdev,
 	 * Initialize generic PCI device state.
 	 */
 	err = pci_enable_device(pdev);
-	if (err) {
-		dev_err(&pdev->dev, "cannot enable PCI device\n");
-		return err;
-	}
+	if (err)
+		return dev_err_probe(&pdev->dev, err, "cannot enable PCI device\n");
 
 	/*
 	 * Reserve PCI resources for the device.  If we can't get them some
-- 
2.25.1