From: WANG Cong <xiyou.wangcong@gmail.com>
Date: Sat, 10 Dec 2016 22:22:42 +0000 (-0800)
Subject: e1000: use disable_hardirq() for e1000_netpoll()
X-Git-Tag: v4.1.12-105.0.20170622_2100~117
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bcddb333a70849552b4b5aab83b24171f7969903;p=users%2Fjedix%2Flinux-maple.git

e1000: use disable_hardirq() for e1000_netpoll()

In commit 02cea3958664 ("genirq: Provide disable_hardirq()")
Peter introduced disable_hardirq() for netpoll, but it is forgotten
to use it for e1000.

This patch changes disable_irq() to disable_hardirq() for e1000.

Reported-by: Dave Jones <davej@codemonkey.org.uk>
Suggested-by: Sabrina Dubroca <sd@queasysnail.net>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Orabug: 26243014
(cherry picked from commit 311191297125156319be8f86d546ea1c569f7e95)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Reviewed-by: Ethan Zhao <ethan.zhao@oracle.com>
---

diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index d300b449aae7..3edb8a29f2e3 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -5262,8 +5262,8 @@ static void e1000_netpoll(struct net_device *netdev)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 
-	disable_irq(adapter->pdev->irq);
-	e1000_intr(adapter->pdev->irq, netdev);
+	if (disable_hardirq(adapter->pdev->irq))
+		e1000_intr(adapter->pdev->irq, netdev);
 	enable_irq(adapter->pdev->irq);
 }
 #endif
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 54292af1f142..671933ad6c9a 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6762,13 +6762,13 @@ static void e1000_netpoll(struct net_device *netdev)
 		e1000_intr_msix(adapter->pdev->irq, netdev);
 		break;
 	case E1000E_INT_MODE_MSI:
-		disable_irq(adapter->pdev->irq);
-		e1000_intr_msi(adapter->pdev->irq, netdev);
+		if (disable_hardirq(adapter->pdev->irq))
+			e1000_intr_msi(adapter->pdev->irq, netdev);
 		enable_irq(adapter->pdev->irq);
 		break;
 	default:		/* E1000E_INT_MODE_LEGACY */
-		disable_irq(adapter->pdev->irq);
-		e1000_intr(adapter->pdev->irq, netdev);
+		if (disable_hardirq(adapter->pdev->irq))
+			e1000_intr(adapter->pdev->irq, netdev);
 		enable_irq(adapter->pdev->irq);
 		break;
 	}