malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

hwmon: (acpi_power_meter) Fix potential memory leak in acpi_power_meter_add()

Browse Source 
[ Upstream commit 8b97f9922211c44a739c5cbd9502ecbb9f17f6d1 ]

Although it rarely happens, we should call free_capabilities()
if error happens after read_capabilities() to free allocated strings.

Fixes: de584afa5e188 ("hwmon driver for ACPI 4.0 power meters")
Signed-off-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
Link: https://lore.kernel.org/r/20200625043242.31175-1-misono.tomohiro@jp.fujitsu.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Misono Tomohiro 2020-06-25 13:32:42 +09:00 committed by Greg Kroah-Hartman
parent a5275f24da
commit 91437c8300
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/hwmon/acpi_power_meter.c
View File

@ -895,7 +895,7 @@ static int acpi_power_meter_add(struct acpi_device *device)
res = setup_attrs(resource);
if (res)
goto exit_free;
goto exit_free_capability;
resource->hwmon_dev = hwmon_device_register(&device->dev);
if (IS_ERR(resource->hwmon_dev)) {
@ -908,6 +908,8 @@ static int acpi_power_meter_add(struct acpi_device *device)
exit_remove:
remove_attrs(resource);
exit_free_capability:
free_capabilities(resource);
exit_free:
kfree(resource);
exit: