linux-kernel - [PATCH 2/3] x86: fix sparse warning in parse_e820

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Date:	Fri,  6 Sep 2013 12:06:56 -0600
From:	Linn Crosetto <linn@...com>
To:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, luto@...capital.net, daniel.vetter@...ll.ch,
	airlied@...hat.com, yinghai@...nel.org, jacob.shin@....com,
	penberg@...nel.org, js1304@...il.com, akpm@...ux-foundation.org,
	matt.fleming@...el.com
Cc:	linux-kernel@...r.kernel.org, Linn Crosetto <linn@...com>
Subject: [PATCH 2/3] x86: fix sparse warning in parse_e820_ext()

Replace the call to early_iounmap() with early_memunmap() to eliminate
the following sparse warning:

arch/x86/kernel/e820.c:672:23: sparse: incorrect type in argument 1 (different address spaces)

Signed-off-by: Linn Crosetto <linn@...com>
---
 arch/x86/kernel/e820.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 174da5f..06e0c4a 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -669,7 +669,7 @@ void __init parse_e820_ext(u64 phys_addr, u32 data_len)
 	extmap = (struct e820entry *)(sdata->data);
 	__append_e820_map(extmap, entries);
 	sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
-	early_iounmap(sdata, data_len);
+	early_memunmap(sdata, data_len);
 	printk(KERN_INFO "e820: extended physical RAM map:\n");
 	e820_print_map("extended");
 }
-- 
1.7.11.3

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