linux-kernel - [PATCH 01/12] PCI: Add debug print out for pci related dev release

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Message-Id: <1331623594-30543-2-git-send-email-yinghai@kernel.org>
Date:	Tue, 13 Mar 2012 00:26:23 -0700
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 01/12] PCI: Add debug print out for pci related dev release

In some case, they could not be called because some users just use
get_device() without put device back.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
---
 drivers/pci/probe.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 0ca213c..972553b 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -57,6 +57,7 @@ static void release_pcibus_dev(struct device *dev)
 
 	if (pci_bus->bridge)
 		put_device(pci_bus->bridge);
+	dev_printk(KERN_DEBUG, dev, "freeing pci_bus info\n");
 	pci_bus_remove_resources(pci_bus);
 	pci_release_bus_of_node(pci_bus);
 	kfree(pci_bus);
@@ -1278,6 +1279,7 @@ static void pci_release_dev(struct device *dev)
 {
 	struct pci_dev *pci_dev;
 
+	dev_printk(KERN_DEBUG, dev, "freeing pci_dev info\n");
 	pci_dev = to_pci_dev(dev);
 	pci_release_capabilities(pci_dev);
 	pci_release_of_node(pci_dev);
@@ -1342,6 +1344,7 @@ static void pci_release_bus_bridge_dev(struct device *dev)
 {
 	struct pci_host_bridge *bridge = to_pci_host_bridge(dev);
 
+	dev_printk(KERN_DEBUG, dev, "freeing pci_host_bridge info\n");
 	if (bridge->release_fn)
 		bridge->release_fn(bridge);
 
-- 
1.7.7

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