This is a note to let you know that I've just added the patch titled
soc: versatile: realview: fix memory leak during device remove
to the 5.4-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:
soc-versatile-realview-fix-memory-leak-during-device.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 203806e5541d52c2f1a475d3120012ba6dac54d8
Author: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Date: Sun Aug 25 20:05:23 2024 +0200
soc: versatile: realview: fix memory leak during device remove
[ Upstream commit 1c4f26a41f9d052f334f6ae629e01f598ed93508 ]
If device is unbound, the memory allocated for soc_dev_attr should be
freed to prevent leaks.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-2-ff4b35abed83@xxxxxxxxxx
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Stable-dep-of: c774f2564c00 ("soc: versatile: realview: fix soc_dev leak during device remove")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c
index 9471353dd8c38..60947a5161e4c 100644
--- a/drivers/soc/versatile/soc-realview.c
+++ b/drivers/soc/versatile/soc-realview.c
@@ -91,7 +91,7 @@ static int realview_soc_probe(struct platform_device *pdev)
if (IS_ERR(syscon_regmap))
return PTR_ERR(syscon_regmap);
- soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
return -ENOMEM;
@@ -103,10 +103,9 @@ static int realview_soc_probe(struct platform_device *pdev)
soc_dev_attr->machine = "RealView";
soc_dev_attr->family = "Versatile";
soc_dev = soc_device_register(soc_dev_attr);
- if (IS_ERR(soc_dev)) {
- kfree(soc_dev_attr);
+ if (IS_ERR(soc_dev))
return -ENODEV;
- }
+
ret = regmap_read(syscon_regmap, REALVIEW_SYS_ID_OFFSET,
&realview_coreid);
if (ret)
