4.19-stable review patch. If anyone has any objections, please let me know.
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From: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org
[ 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@linaro.org Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-2-ff4b35abed83@linaro.org Signed-off-by: Linus Walleij linus.walleij@linaro.org Stable-dep-of: c774f2564c00 ("soc: versatile: realview: fix soc_dev leak during device remove") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/soc/versatile/soc-realview.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c index caf698e5f0b0b..98b6c60de7f64 100644 --- a/drivers/soc/versatile/soc-realview.c +++ b/drivers/soc/versatile/soc-realview.c @@ -95,7 +95,7 @@ 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;
@@ -107,10 +107,9 @@ 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)