[PATCH 2/4] soc: versatile: realview: fix memory leak during device remove
From: Krzysztof Kozlowski <hidden>
Date: 2024-08-25 18:05:54
Also in:
lkml
Subsystem:
arm integrator, versatile and realview support, the rest · Maintainers:
Linus Walleij, Linus Torvalds
If device is unbound, the memory allocated for soc_dev_attr should be freed to prevent leaks. Signed-off-by: Krzysztof Kozlowski <redacted> --- 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 c6876d232d8f..d304ee69287a 100644
--- a/drivers/soc/versatile/soc-realview.c
+++ b/drivers/soc/versatile/soc-realview.c@@ -93,7 +93,7 @@ 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;
@@ -106,10 +106,9 @@ static int realview_soc_probe(struct platform_device *pdev) soc_dev_attr->family = "Versatile"; soc_dev_attr->custom_attr_group = realview_groups[0]; 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)
--
2.43.0