From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The acpi_pcc_hotkey_add() error path leaks sysfs group pcc_attr_group
if platform_device_register_simple() fails for the "panasonic" platform
device.
Address this by making it call sysfs_remove_group() in that case for
the group in question.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/platform/x86/panasonic-laptop.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -1089,7 +1089,7 @@ static int acpi_pcc_hotkey_add(struct ac
PLATFORM_DEVID_NONE, NULL, 0);
if (IS_ERR(pcc->platform)) {
result = PTR_ERR(pcc->platform);
- goto out_backlight;
+ goto out_sysfs;
}
result = device_create_file(&pcc->platform->dev,
&dev_attr_cdpower);
@@ -1105,6 +1105,8 @@ static int acpi_pcc_hotkey_add(struct ac
out_platform:
platform_device_unregister(pcc->platform);
+out_sysfs:
+ sysfs_remove_group(&device->dev.kobj, &pcc_attr_group);
out_backlight:
backlight_device_unregister(pcc->backlight);
out_input: