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authorMichał Mirosław <mirq-linux@rere.qmqm.pl>2023-09-19 01:50:26 +0300
committerMark Brown <broonie@kernel.org>2023-09-26 18:26:07 +0300
commit8adb4e647a83cb5928c05dae95b010224aea0705 (patch)
tree305db1bd092ca38cff0b63f0ef9ac7b63c1bc247 /drivers/regulator
parent7e37c851374eca2d1f6128de03195c9f7b4baaf2 (diff)
downloadlinux-8adb4e647a83cb5928c05dae95b010224aea0705.tar.xz
regulator/core: regulator_register: set device->class earlier
When fixing a memory leak in commit d3c731564e09 ("regulator: plug of_node leak in regulator_register()'s error path") it moved the device_initialize() call earlier, but did not move the `dev->class` initialization. The bug was spotted and fixed by reverting part of the commit (in commit 5f4b204b6b81 "regulator: core: fix kobject release warning and memory leak in regulator_register()") but introducing a different bug: now early error paths use `kfree(dev)` instead of `put_device()` for an already initialized `struct device`. Move the missing assignments to just after `device_initialize()`. Fixes: d3c731564e09 ("regulator: plug of_node leak in regulator_register()'s error path") Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Link: https://lore.kernel.org/r/b5b19cb458c40c9d02f3d5a7bd1ba7d97ba17279.1695077303.git.mirq-linux@rere.qmqm.pl Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d8e1caaf207e..2820badc7a12 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -5542,6 +5542,8 @@ regulator_register(struct device *dev,
goto rinse;
}
device_initialize(&rdev->dev);
+ dev_set_drvdata(&rdev->dev, rdev);
+ rdev->dev.class = &regulator_class;
spin_lock_init(&rdev->err_lock);
/*
@@ -5603,11 +5605,9 @@ regulator_register(struct device *dev,
rdev->supply_name = regulator_desc->supply_name;
/* register with sysfs */
- rdev->dev.class = &regulator_class;
rdev->dev.parent = config->dev;
dev_set_name(&rdev->dev, "regulator.%lu",
(unsigned long) atomic_inc_return(&regulator_no));
- dev_set_drvdata(&rdev->dev, rdev);
/* set regulator constraints */
if (init_data)