diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2024-08-25 20:05:24 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2024-08-30 15:40:11 +0200 |
| commit | c774f2564c0086c23f5269fd4691f233756bf075 (patch) | |
| tree | 87151cca7f1bad2c3550227bc379c15bd494e62e /drivers/soc | |
| parent | 1c4f26a41f9d052f334f6ae629e01f598ed93508 (diff) | |
soc: versatile: realview: fix soc_dev leak during device remove
If device is unbound, the soc_dev should be unregistered to prevent
memory leak.
Fixes: a2974c9c1f83 ("soc: add driver for the ARM RealView")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-3-ff4b35abed83@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/versatile/soc-realview.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c index d304ee69287a..cf91abe07d38 100644 --- a/drivers/soc/versatile/soc-realview.c +++ b/drivers/soc/versatile/soc-realview.c @@ -4,6 +4,7 @@ * * Author: Linus Walleij <linus.walleij@linaro.org> */ +#include <linux/device.h> #include <linux/init.h> #include <linux/io.h> #include <linux/slab.h> @@ -81,6 +82,13 @@ static struct attribute *realview_attrs[] = { ATTRIBUTE_GROUPS(realview); +static void realview_soc_socdev_release(void *data) +{ + struct soc_device *soc_dev = data; + + soc_device_unregister(soc_dev); +} + static int realview_soc_probe(struct platform_device *pdev) { struct regmap *syscon_regmap; @@ -109,6 +117,11 @@ static int realview_soc_probe(struct platform_device *pdev) if (IS_ERR(soc_dev)) return -ENODEV; + ret = devm_add_action_or_reset(&pdev->dev, realview_soc_socdev_release, + soc_dev); + if (ret) + return ret; + ret = regmap_read(syscon_regmap, REALVIEW_SYS_ID_OFFSET, &realview_coreid); if (ret) |