linux-kernel - [PATCH v2 18/37] PCI: Use list_for_each_entry_safe instead of list_for_each

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Message-Id: <1331362837-10740-19-git-send-email-yinghai@kernel.org>
Date:	Fri,  9 Mar 2012 23:00:18 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>, x86 <x86@...nel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH v2 18/37] PCI: Use list_for_each_entry_safe instead of list_for_each_safe

So could skip using pci_dev_b().

Suggested-by: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Yinghai Lu <yinghai@...nel.org>
---
 drivers/pci/remove.c |   12 +++++-------
 1 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 62c348c..d4fdf7b 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -113,15 +113,15 @@ void pci_stop_and_remove_bus_device(struct pci_dev *dev)
 
 static void __pci_remove_bus_devices(struct pci_bus *bus)
 {
-	struct list_head *l, *n;
+	struct pci_dev *dev, *tmp;
 
-	list_for_each_safe(l, n, &bus->devices)
-		__pci_remove_bus_device(pci_dev_b(l));
+	list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list)
+		__pci_remove_bus_device(dev);
 }
 
 static void pci_stop_bus_devices(struct pci_bus *bus)
 {
-	struct list_head *l, *n;
+	struct pci_dev *dev, *tmp;
 
 	/*
 	 * VFs could be removed by pci_stop_and_remove_bus_device() in the
@@ -131,10 +131,8 @@ static void pci_stop_bus_devices(struct pci_bus *bus)
 	 * We can iterate the list backwards to get prev valid PF instead
 	 *  of removed VF.
 	 */
-	list_for_each_prev_safe(l, n, &bus->devices) {
-		struct pci_dev *dev = pci_dev_b(l);
+	list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list)
 		pci_stop_bus_device(dev);
-	}
 }
 
 /**
-- 
1.7.7

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