netdev - [PATCH 2/2 v3] net: ethernet: ti: am65-cpsw-nuss: fix error handling of am65_cpsw_nuss

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Message-ID: <20200520034116.170946-3-weiyongjun1@huawei.com>
Date:   Wed, 20 May 2020 11:41:16 +0800
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     <netdev@...r.kernel.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Colin Ian King <colin.king@...onical.com>,
        Jakub Kicinski <kuba@...nel.org>
CC:     Wei Yongjun <weiyongjun1@...wei.com>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH 2/2 v3] net: ethernet: ti: am65-cpsw-nuss: fix error handling of am65_cpsw_nuss_probe

Convert to using IS_ERR() instead of NULL test for cpsw_ale_create()
error handling. Also fix to return negative error code from this error
handling case instead of 0 in.

Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/net/ethernet/ti/am65-cpsw-nuss.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 2517ffba8178..88f52a2f85b3 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -1895,8 +1895,9 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev)
 	ale_params.nu_switch_ale = true;
 
 	common->ale = cpsw_ale_create(&ale_params);
-	if (!common->ale) {
+	if (IS_ERR(common->ale)) {
 		dev_err(dev, "error initializing ale engine\n");
+		ret = PTR_ERR(common->ale);
 		goto err_of_clear;
 	}
 
-- 
2.25.1