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ACPI: platform_profile: Fix memory leak in profile_class_is_visible()

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If class_find_device() finds a device, it's reference count is
incremented.

Call put_device() to drop this reference before returning.

Fixes: 77be5cacb2 ("ACPI: platform_profile: Create class for ACPI platform profile")
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://patch.msgid.link/20250212193058.32110-1-kuurtb@gmail.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Kurt Borja 2025-02-12 14:30:58 -05:00 • committed by Rafael J. Wysocki
parent 0ad2507d5d
commit d403120cb9
1 changed files with 7 additions and 1 deletions
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8
drivers/acpi/platform_profile.c
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@ -417,8 +417,14 @@ static int profile_class_registered(struct device *dev, const void *data)
static umode_t profile_class_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
{
if (!class_find_device(&platform_profile_class, NULL, NULL, profile_class_registered))
struct device *dev;
dev = class_find_device(&platform_profile_class, NULL, NULL, profile_class_registered);
if (!dev)
return 0;
put_device(dev);
return attr->mode;
}