[2.6.37-rc1, patch] r8169: fix sleeping while holding spinlock...

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From: Daniel J Blueman
Date: Monday, November 1, 2010 - 2:35 pm

Recent changes to the r8169 driver cause it to call
device_set_wakeup_enable under spinlock, which may sleep.

Locking isn't necessary around the call to device_set_wakeup_enable,
so drop the spinlock before calling it, to address this.

Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index d88ce9f..894e7c7 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -846,10 +846,10 @@ static int rtl8169_set_wol(struct net_device
*dev, struct ethtool_wolinfo *wol)
 	else
 		tp->features &= ~RTL_FEATURE_WOL;
 	__rtl8169_set_wol(tp, wol->wolopts);
-	device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
-
 	spin_unlock_irq(&tp->lock);

+	device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
+
 	return 0;
 }

-- 
Daniel J Blueman
--
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[2.6.37-rc1, patch] r8169: fix sleeping while holding spin ..., Daniel J Blueman, (Mon Nov 1, 2:35 pm)