linux-kernel - [GIT PULL] timer fixes

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Message-ID: <20110407174249.GA26266@elte.hu>
Date:	Thu, 7 Apr 2011 19:42:49 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Alan Cox <alan@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] timer fixes

Linus,

Please pull the latest timers-fixes-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git timers-fixes-for-linus

 Thanks,

	Ingo

------------------>
Feng Tang (2):
      rtc, x86/mrst/vrtc: Fix boot crash in rtc_read_alarm()
      x86/mrst/vrtc: Fix boot crash in mrst_rtc_init()


 arch/x86/platform/mrst/vrtc.c |    4 +++-
 drivers/rtc/rtc-mrst.c        |    7 ++++---
 2 files changed, 7 insertions(+), 4 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;
 
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index 332a2c4..b2f0968 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -342,6 +342,8 @@ vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq)
 
 	mrst_rtc.irq = rtc_irq;
 	mrst_rtc.iomem = iomem;
+	mrst_rtc.dev = dev;
+	dev_set_drvdata(dev, &mrst_rtc);
 
 	mrst_rtc.rtc = rtc_device_register(driver_name, dev,
 				&mrst_rtc_ops, THIS_MODULE);
@@ -350,8 +352,6 @@ vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq)
 		goto cleanup0;
 	}
 
-	mrst_rtc.dev = dev;
-	dev_set_drvdata(dev, &mrst_rtc);
 	rename_region(iomem, dev_name(&mrst_rtc.rtc->dev));
 
 	spin_lock_irq(&rtc_lock);
@@ -376,9 +376,10 @@ vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq)
 	return 0;
 
 cleanup1:
-	mrst_rtc.dev = NULL;
 	rtc_device_unregister(mrst_rtc.rtc);
 cleanup0:
+	dev_set_drvdata(dev, NULL);
+	mrst_rtc.dev = NULL;
 	release_region(iomem->start, iomem->end + 1 - iomem->start);
 	dev_err(dev, "rtc-mrst: unable to initialise\n");
 	return retval;
--
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