From: Rong Zhang <i@rong.moe>
lwmi_dev_evaluate_int() leaks output.pointer when retval == NULL (found
by sashiko.dev [1]).
Fix it by moving `ret_obj = output.pointer' outside of the `if (retval)'
block so that it is always freed by the __free cleanup callback.
No functional change intended.
Fixes: e521d16e76cd ("platform/x86: Add lenovo-wmi-helpers")
Cc: stable@vger.kernel.org
Link: https://sashiko.dev/#/patchset/20260331181208.421552-1-derekjohn.clark%40gmail.com [1]
Signed-off-by: Rong Zhang <i@rong.moe>
---
drivers/platform/x86/lenovo/wmi-helpers.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/lenovo/wmi-helpers.c b/drivers/platform/x86/lenovo/wmi-helpers.c
index 7379defac500..80021f59d1ef 100644
--- a/drivers/platform/x86/lenovo/wmi-helpers.c
+++ b/drivers/platform/x86/lenovo/wmi-helpers.c
@@ -55,8 +55,9 @@ int lwmi_dev_evaluate_int(struct wmi_device *wdev, u8 instance, u32 method_id,
if (ACPI_FAILURE(status))
return -EIO;
+ ret_obj = output.pointer;
+
if (retval) {
- ret_obj = output.pointer;
if (!ret_obj)
return -ENODATA;
--
2.53.0