linux-kernel - [PATCH 2/2] x86/vrtc: fix a bug in mrst_rtc

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Date:	Thu,  7 Apr 2011 09:39:49 +0800
From:	Feng Tang <feng.tang@...el.com>
To:	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...e.hu,
	hpa@...or.com, alan@...ux.intel.com
Cc:	Feng Tang <feng.tang@...el.com>
Subject: [PATCH 2/2] x86/vrtc: fix a bug in mrst_rtc_init()

The sfi_mrtc_array[] only gets initialized when the sfi mrtc table
is parsed, so the vrtc_paddr should be initalized after it too.

Signed-off-by: Feng Tang <feng.tang@...el.com>
---
 arch/x86/platform/mrst/vrtc.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c
index 04cf645..73d70d6 100644
--- a/arch/x86/platform/mrst/vrtc.c
+++ b/arch/x86/platform/mrst/vrtc.c
@@ -100,9 +100,11 @@ int vrtc_set_mmss(unsigned long nowtime)
 
 void __init mrst_rtc_init(void)
 {
-	unsigned long vrtc_paddr = sfi_mrtc_array[0].phys_addr;
+	unsigned long vrtc_paddr;
 
 	sfi_table_parse(SFI_SIG_MRTC, NULL, NULL, sfi_parse_mrtc);
+
+	vrtc_paddr = sfi_mrtc_array[0].phys_addr;
 	if (!sfi_mrtc_num || !vrtc_paddr)
 		return;
 
-- 
1.7.0.4

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