This is a note to let you know that I've just added the patch titled
efi/efivar_ssdt_load: Don't return success on allocation failure
to the 4.9-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-efivar_ssdt_load-don-t-return-success-on-allocation-failure.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a75dcb5848359f488c32c0aef8711d9bd37a77b8 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Tue, 18 Oct 2016 15:33:18 +0100
Subject: efi/efivar_ssdt_load: Don't return success on allocation failure
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit a75dcb5848359f488c32c0aef8711d9bd37a77b8 upstream.
We should return -ENOMEM here, instead of success.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-efi@xxxxxxxxxxxxxxx
Fixes: 475fb4e8b2f4 ("efi / ACPI: load SSTDs from EFI variables")
Link: http://lkml.kernel.org/r/20161018143318.15673-9-matt@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/firmware/efi/efi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -259,8 +259,10 @@ static __init int efivar_ssdt_load(void)
}
data = kmalloc(size, GFP_KERNEL);
- if (!data)
+ if (!data) {
+ ret = -ENOMEM;
goto free_entry;
+ }
ret = efivar_entry_get(entry, NULL, &size, data);
if (ret) {
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-4.9/usb-xhci-mem-use-passed-in-gfp-flags-instead-of-gfp_kernel.patch
queue-4.9/efi-efivar_ssdt_load-don-t-return-success-on-allocation-failure.patch
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