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Message-Id: <1424455977-21903-2-git-send-email-fabf@skynet.be>
Date: Fri, 20 Feb 2015 19:12:52 +0100
From: Fabian Frederick <fabf@...net.be>
To: linux-kernel@...r.kernel.org
Cc: Ingo Molnar <mingo@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Fabian Frederick <fabf@...net.be>,
Karsten Keil <isdn@...ux-pingi.de>, netdev@...r.kernel.org
Subject: [PATCH 2/7 linux-next] mISDN: replace current->state by set_current_state()
Use helper function to access current->state.
Direct assignments are prone to races and therefore buggy.
Thanks to Peter Zijlstra for the exact definition of the problem.
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
drivers/isdn/hardware/mISDN/hfcpci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 3c92780..ff48da6 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -1755,7 +1755,7 @@ init_card(struct hfc_pci *hc)
enable_hwirq(hc);
spin_unlock_irqrestore(&hc->lock, flags);
/* Timeout 80ms */
- current->state = TASK_UNINTERRUPTIBLE;
+ set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((80 * HZ) / 1000);
printk(KERN_INFO "HFC PCI: IRQ %d count %d\n",
hc->irq, hc->irqcnt);
--
2.1.0
--
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