This is a note to let you know that I've just added the patch titled
net: pcs: Add missing put_device call in miic_create
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-pcs-add-missing-put_device-call-in-miic_create.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 034a82fd24064c8afe770d5e8be2b7037ecd5f04
Author: Xiang Yang <xiangyang3@xxxxxxxxxx>
Date: Thu Aug 10 22:06:39 2023 +0800
net: pcs: Add missing put_device call in miic_create
[ Upstream commit 829c6524d6729d05a82575dbcc16f99be5ee843d ]
The reference of pdev->dev is taken by of_find_device_by_node, so
it should be released when not need anymore.
Fixes: 7dc54d3b8d91 ("net: pcs: add Renesas MII converter driver")
Signed-off-by: Xiang Yang <xiangyang3@xxxxxxxxxx>
Reviewed-by: Vladimir Oltean <olteanv@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/pcs/pcs-rzn1-miic.c b/drivers/net/pcs/pcs-rzn1-miic.c
index 323bec5e57f83..3560991690038 100644
--- a/drivers/net/pcs/pcs-rzn1-miic.c
+++ b/drivers/net/pcs/pcs-rzn1-miic.c
@@ -313,15 +313,21 @@ struct phylink_pcs *miic_create(struct device *dev, struct device_node *np)
pdev = of_find_device_by_node(pcs_np);
of_node_put(pcs_np);
- if (!pdev || !platform_get_drvdata(pdev))
+ if (!pdev || !platform_get_drvdata(pdev)) {
+ if (pdev)
+ put_device(&pdev->dev);
return ERR_PTR(-EPROBE_DEFER);
+ }
miic_port = kzalloc(sizeof(*miic_port), GFP_KERNEL);
- if (!miic_port)
+ if (!miic_port) {
+ put_device(&pdev->dev);
return ERR_PTR(-ENOMEM);
+ }
miic = platform_get_drvdata(pdev);
device_link_add(dev, miic->dev, DL_FLAG_AUTOREMOVE_CONSUMER);
+ put_device(&pdev->dev);
miic_port->miic = miic;
miic_port->port = port - 1;
