linux-kernel - [PATCH] drivers: soc: ti: knav_qmss_queue: Fix error return code in knav_queue

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Message-ID: <20201120010743.440400-1-chengzhihao1@huawei.com>
Date:   Fri, 20 Nov 2020 09:07:43 +0800
From:   Zhihao Cheng <chengzhihao1@...wei.com>
To:     <ssantosh@...nel.org>, <sandeep_n@...com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <chengzhihao1@...wei.com>,
        <yi.zhang@...wei.com>
Subject: [PATCH] drivers: soc: ti: knav_qmss_queue: Fix error return code in knav_queue_probe

Fix to return the error code from of_get_child_by_name() instaed of 0
in knav_queue_probe().

Fixes: 41f93af900a20d1a0a ("soc: ti: add Keystone Navigator QMSS driver")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@...wei.com>
---
 drivers/soc/ti/knav_qmss_queue.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c
index a460f201bf8e..a6a2138d5c29 100644
--- a/drivers/soc/ti/knav_qmss_queue.c
+++ b/drivers/soc/ti/knav_qmss_queue.c
@@ -1851,9 +1851,10 @@ static int knav_queue_probe(struct platform_device *pdev)
 	if (ret)
 		goto err;
 
-	regions =  of_get_child_by_name(node, "descriptor-regions");
+	regions = of_get_child_by_name(node, "descriptor-regions");
 	if (!regions) {
 		dev_err(dev, "descriptor-regions not specified\n");
+		ret = -ENODEV;
 		goto err;
 	}
 	ret = knav_queue_setup_regions(kdev, regions);
-- 
2.25.4