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Patch "efi/efivar_ssdt_load: Don't return success on allocation failure" has been added to the 4.9-stable tree

PATCH [email protected] 1 participant 1 message Jan 9, 2017

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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 <[email protected]> know about it.

Quoted 1 line

From a75dcb5848359f488c32c0aef8711d9bd37a77b8 Mon Sep 17 00:00:00 2001

From: Dan Carpenter <[email protected]>
Date: Tue, 18 Oct 2016 15:33:18 +0100
Subject: efi/efivar_ssdt_load: Don't return success on allocation failure

From: Dan Carpenter <[email protected]>

commit a75dcb5848359f488c32c0aef8711d9bd37a77b8 upstream.

We should return -ENOMEM here, instead of success.

Cc Linus Torvalds <[email protected]>
Cc Peter Zijlstra <[email protected]>
Cc Thomas Gleixner <[email protected]>
Fixes 475fb4e8b2f4 ("efi / ACPI: load SSTDs from EFI variables")
---
 drivers/firmware/efi/efi.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
drivers/firmware/efi/efi.c +3 -1
@@ -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 [email protected] 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