linux-kernel - [PATCH 1/2] PCI: decrease pci_dev->enable

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Date:	Mon, 1 Apr 2013 16:42:54 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Tony Luck <tony.luck@...el.com>
CC:	<linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Hanjun Guo <guohanjun@...wei.com>, <jiang.liu@...wei.com>,
	Yijing Wang <wangyijing@...wei.com>,
	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	Shengzhou Liu <Shengzhou.Liu@...escale.com>
Subject: [PATCH 1/2] PCI: decrease pci_dev->enable_cnt when no pcie capability found

We should decrease dev->enable_cnt when no pcie port capability
found for balance.

Signed-off-by: Yijing Wang <wangyijing@...wei.com>
Cc: Jiang Liu <jiang.liu@...wei.com>
Cc: Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>
Cc: Shengzhou Liu <Shengzhou.Liu@...escale.com>
---
 drivers/pci/pcie/portdrv_core.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 31063ac..dd95d6f 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -369,8 +369,10 @@ int pcie_port_device_register(struct pci_dev *dev)
 
 	/* Get and check PCI Express port services */
 	capabilities = get_port_device_capability(dev);
-	if (!capabilities)
+	if (!capabilities) {
+		pci_disable_device(dev);
 		return 0;
+	}
 
 	pci_set_master(dev);
 	/*
-- 
1.7.1


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