From: Stephen Hemminger <shemminger@osdl.org>
Date: Wed, 6 Sep 2006 18:06:10 +0000 (-0700)
Subject: [PATCH] skge: check for PCI hotplug during IRQ
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0486a8c83b0f83c52c4d93accd841e08ccdf04dc;p=deliverable%2Flinux.git

[PATCH] skge: check for PCI hotplug during IRQ

Check if IRQ came from hardware fault (hotplug).

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 3f1b72eb3492..fba8b7455d8b 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2884,7 +2884,7 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs)
 	spin_lock(&hw->hw_lock);
 	/* Reading this register masks IRQ */
 	status = skge_read32(hw, B0_SP_ISRC);
-	if (status == 0)
+	if (status == 0 || status == ~0)
 		goto out;
 
 	handled = 1;