linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] phy: hisilicon: Add of_node_put() in phy-hisi-inno-usb2
@ 2021-10-15  8:01 Wan Jiabing
  2021-10-24 17:14 ` Vinod Koul
  0 siblings, 1 reply; 2+ messages in thread
From: Wan Jiabing @ 2021-10-15  8:01 UTC (permalink / raw)
  To: Kishon Vijay Abraham I, Vinod Koul, Wan Jiabing, linux-phy, linux-kernel
  Cc: kael_w

Fix following coccicheck warning:
./drivers/phy/hisilicon/phy-hisi-inno-usb2.c:138:1-23: WARNING: Function
for_each_child_of_node should have of_node_put() before break

Early exits from for_each_child_of_node should decrement the
node reference counter.

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
---
 drivers/phy/hisilicon/phy-hisi-inno-usb2.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/hisilicon/phy-hisi-inno-usb2.c b/drivers/phy/hisilicon/phy-hisi-inno-usb2.c
index 34a6a9a1ceb2..b133ae06757a 100644
--- a/drivers/phy/hisilicon/phy-hisi-inno-usb2.c
+++ b/drivers/phy/hisilicon/phy-hisi-inno-usb2.c
@@ -140,14 +140,19 @@ static int hisi_inno_phy_probe(struct platform_device *pdev)
 		struct phy *phy;
 
 		rst = of_reset_control_get_exclusive(child, NULL);
-		if (IS_ERR(rst))
+		if (IS_ERR(rst)) {
+			of_node_put(child);
 			return PTR_ERR(rst);
+		}
+
 		priv->ports[i].utmi_rst = rst;
 		priv->ports[i].priv = priv;
 
 		phy = devm_phy_create(dev, child, &hisi_inno_phy_ops);
-		if (IS_ERR(phy))
+		if (IS_ERR(phy)) {
+			of_node_put(child);
 			return PTR_ERR(phy);
+		}
 
 		phy_set_bus_width(phy, 8);
 		phy_set_drvdata(phy, &priv->ports[i]);
@@ -155,6 +160,7 @@ static int hisi_inno_phy_probe(struct platform_device *pdev)
 
 		if (i > INNO_PHY_PORT_NUM) {
 			dev_warn(dev, "Support %d ports in maximum\n", i);
+			of_node_put(child);
 			break;
 		}
 	}
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] phy: hisilicon: Add of_node_put() in phy-hisi-inno-usb2
  2021-10-15  8:01 [PATCH] phy: hisilicon: Add of_node_put() in phy-hisi-inno-usb2 Wan Jiabing
@ 2021-10-24 17:14 ` Vinod Koul
  0 siblings, 0 replies; 2+ messages in thread
From: Vinod Koul @ 2021-10-24 17:14 UTC (permalink / raw)
  To: Wan Jiabing; +Cc: Kishon Vijay Abraham I, linux-phy, linux-kernel, kael_w

On 15-10-21, 04:01, Wan Jiabing wrote:
> Fix following coccicheck warning:
> ./drivers/phy/hisilicon/phy-hisi-inno-usb2.c:138:1-23: WARNING: Function
> for_each_child_of_node should have of_node_put() before break
> 
> Early exits from for_each_child_of_node should decrement the
> node reference counter.

Applied, thanks

-- 
~Vinod

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-10-24 17:15 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-10-15  8:01 [PATCH] phy: hisilicon: Add of_node_put() in phy-hisi-inno-usb2 Wan Jiabing
2021-10-24 17:14 ` Vinod Koul

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).