linux-kernel - [patch 01/12 v4] efi: remove unused variables in __map

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Message-Id: <20131125090034.143510822@dhcp-16-126.nay.redhat.com>
Date:	Mon, 25 Nov 2013 16:56:31 +0800
From:	dyoung@...hat.com
To:	linux-kernel@...r.kernel.org
Cc:	linux-efi@...r.kernel.org, x86@...nel.org, mjg59@...f.ucam.org,
	hpa@...or.com, James.Bottomley@...senPartnership.com,
	vgoyal@...hat.com, ebiederm@...ssion.com, horms@...ge.net.au,
	kexec@...ts.infradead.org, bp@...en8.de, greg@...ah.com,
	matt@...sole-pimps.org, toshi.kani@...com,
	Dave Young <dyoung@...hat.com>, Borislav Petkov <bp@...e.de>
Subject: [patch 01/12 v4] efi: remove unused variables in __map_region

Hi,
References: <20131125085630.417850406@...p-16-126.nay.redhat.com>
Content-Disposition: inline; filename=01-remove-unused-var-in-map-region.patch

variables size and end is useless in this function, thus remove them.

Reported-by: Toshi Kani <toshi.kani@...com>
Signed-off-by: Dave Young <dyoung@...hat.com>
Acked-by: Borislav Petkov <bp@...e.de>
---
 arch/x86/platform/efi/efi_64.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

--- efi.orig/arch/x86/platform/efi/efi_64.c
+++ efi/arch/x86/platform/efi/efi_64.c
@@ -148,15 +148,11 @@ void efi_setup_page_tables(void)
 static void __init __map_region(efi_memory_desc_t *md, u64 va)
 {
 	pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
-	unsigned long pf = 0, size;
-	u64 end;
+	unsigned long pf = 0;
 
 	if (!(md->attribute & EFI_MEMORY_WB))
 		pf |= _PAGE_PCD;
 
-	size = md->num_pages << PAGE_SHIFT;
-	end  = va + size;
-
 	if (kernel_map_pages_in_pgd(pgd, md->phys_addr, va, md->num_pages, pf))
 		pr_warn("Error mapping PA 0x%llx -> VA 0x%llx!\n",
 			   md->phys_addr, va);

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