[PATCH 5.10 180/717] drivers: soc: ti: knav_qmss_queue: Fix error return code in knav_queue_probe

From: Greg Kroah-Hartman
Date: Mon Dec 28 2020 - 09:09:48 EST


From: Zhihao Cheng <chengzhihao1@xxxxxxxxxx>

[ Upstream commit 4cba398f37f868f515ff12868418dc28574853a1 ]

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@xxxxxxxxxx>
Signed-off-by: Zhihao Cheng <chengzhihao1@xxxxxxxxxx>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 54afa8f7f4087..53e36d4328d1e 100644
--- a/drivers/soc/ti/knav_qmss_queue.c
+++ b/drivers/soc/ti/knav_qmss_queue.c
@@ -1852,9 +1852,10 @@ 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);
--
2.27.0