This is a note to let you know that I've just added the patch titled
platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource
to the 5.18-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:
platform-x86-thinkpad_acpi-fix-a-memory-leak-of-efch-mmio-resource.patch
and it can be found in the queue-5.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d2f33f0c3ad7b0d5262d9b986f1353265fad7a08 Mon Sep 17 00:00:00 2001
From: Jean Delvare <jdelvare@xxxxxxx>
Date: Tue, 21 Jun 2022 15:55:11 +0200
Subject: platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource
From: Jean Delvare <jdelvare@xxxxxxx>
commit d2f33f0c3ad7b0d5262d9b986f1353265fad7a08 upstream.
Unlike release_mem_region(), a call to release_resource() does not
free the resource, so it has to be freed explicitly to avoid a memory
leak.
Signed-off-by: Jean Delvare <jdelvare@xxxxxxx>
Fixes: 455cd867b85b ("platform/x86: thinkpad_acpi: Add a s2idle resume quirk for a number of laptops")
Cc: Mario Limonciello <mario.limonciello@xxxxxxx>
Cc: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
Cc: Mark Gross <markgross@xxxxxxxxxx>
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Link: https://lore.kernel.org/r/20220621155511.5b266395@endymion.delvare
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/platform/x86/thinkpad_acpi.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index e6cb4a14cdd4..aa6ffeaa3932 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -4529,6 +4529,7 @@ static void thinkpad_acpi_amd_s2idle_restore(void)
iounmap(addr);
cleanup_resource:
release_resource(res);
+ kfree(res);
}
static struct acpi_s2idle_dev_ops thinkpad_acpi_s2idle_dev_ops = {
--
2.37.0
Patches currently in stable-queue which might be from jdelvare@xxxxxxx are
queue-5.18/platform-x86-thinkpad_acpi-fix-a-memory-leak-of-efch-mmio-resource.patch
