This is a note to let you know that I've just added the patch titled
net: wwan: iosm: use ACPI_FREE() but not kfree() in ipc_pcie_read_bios_cfg()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-wwan-iosm-use-acpi_free-but-not-kfree-in-ipc_pci.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 67a3468b4259b8ebf1fc51e9cc41497fdd599977
Author: Wang ShaoBo <bobo.shaobowang@xxxxxxxxxx>
Date: Fri Nov 18 14:24:47 2022 +0800
net: wwan: iosm: use ACPI_FREE() but not kfree() in ipc_pcie_read_bios_cfg()
[ Upstream commit e541dd7763fc34aec2f93f652a396cc2e7b92d8d ]
acpi_evaluate_dsm() should be coupled with ACPI_FREE() to free the ACPI
memory, because we need to track the allocation of acpi_object when
ACPI_DBG_TRACK_ALLOCATIONS enabled, so use ACPI_FREE() instead of kfree().
Fixes: d38a648d2d6c ("net: wwan: iosm: fix memory leak in ipc_pcie_read_bios_cfg")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221118062447.2324881-1-bobo.shaobowang@xxxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wwan/iosm/iosm_ipc_pcie.c b/drivers/net/wwan/iosm/iosm_ipc_pcie.c
index 01df23835be0..8b4222b137d1 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_pcie.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_pcie.c
@@ -249,7 +249,7 @@ static enum ipc_pcie_sleep_state ipc_pcie_read_bios_cfg(struct device *dev)
if (object->integer.value == 3)
sleep_state = IPC_PCIE_D3L2;
- kfree(object);
+ ACPI_FREE(object);
default_ret:
return sleep_state;
