This is a note to let you know that I've just added the patch titled
efi/esrt: Use memunmap() instead of kfree() to free the remapping
to the 4.4-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:
efi-esrt-use-memunmap-instead-of-kfree-to-free-the-remapping.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 89c5a2d34bda58319e3075e8e7dd727ea25a435c Mon Sep 17 00:00:00 2001
From: Pan Bian <bianpan2016@xxxxxxx>
Date: Wed, 6 Dec 2017 09:50:09 +0000
Subject: efi/esrt: Use memunmap() instead of kfree() to free the remapping
From: Pan Bian <bianpan2016@xxxxxxx>
commit 89c5a2d34bda58319e3075e8e7dd727ea25a435c upstream.
The remapping result of memremap() should be freed with memunmap(), not kfree().
Signed-off-by: Pan Bian <bianpan2016@xxxxxxx>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-efi@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/20171206095010.24170-3-ard.biesheuvel@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/firmware/efi/esrt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/firmware/efi/esrt.c
+++ b/drivers/firmware/efi/esrt.c
@@ -442,7 +442,7 @@ err_remove_group:
err_remove_esrt:
kobject_put(esrt_kobj);
err:
- kfree(esrt);
+ memunmap(esrt);
esrt = NULL;
return error;
}
Patches currently in stable-queue which might be from bianpan2016@xxxxxxx are
queue-4.4/efi-esrt-use-memunmap-instead-of-kfree-to-free-the-remapping.patch