linux-kernel - [PATCH 8 of 8] x86/efi: fix improper use of lvalue

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Date:	Thu, 03 Jan 2008 12:11:05 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>, Andi Kleen <ak@...e.de>,
	Glauber de Oliveira Costa <glommer@...il.com>,
	Jan Beulich <jbeulich@...ell.com>
Subject: [PATCH 8 of 8] x86/efi: fix improper use of lvalue

# HG changeset patch
# User Jeremy Fitzhardinge <jeremy@...source.com>
# Date 1199391030 28800
# Node ID 5d35c92fdf0e2c52edbb6fc4ccd06c7f65f25009
# Parent  22f6a5902285b58bfc1fbbd9e183498c9017bd78
x86/efi: fix improper use of lvalue

pgd_val is no longer valid as an lvalue, so don't try to assign to it.

Signed-off-by: Jeremy Fitzhardinge <jeremy@...source.com>

---
 arch/x86/kernel/efi_64.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/efi_64.c b/arch/x86/kernel/efi_64.c
--- a/arch/x86/kernel/efi_64.c
+++ b/arch/x86/kernel/efi_64.c
@@ -84,7 +84,7 @@ void __init efi_call_phys_prelog(void)
 	local_irq_save(efi_flags);
 	early_runtime_code_mapping_set_exec(1);
 	vaddress = (unsigned long)__va(0x0UL);
-	pgd_val(save_pgd) = pgd_val(*pgd_offset_k(0x0UL));
+	save_pgd = *pgd_offset_k(0x0UL);
 	set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress));
 	__flush_tlb_all();
 }


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