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authorKonstantin Khlebnikov <khlebnikov@openvz.org>2013-03-05 09:42:59 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-14 11:32:05 -0700
commitce38f02134fc8d9a43cf459a35581e046898c22b (patch)
tree9c702220c8c161bbfa1ff4a7db1d023ef8ec712d
parent50a885c6f03d574acc5d88728ce5a8f4bb3df9fe (diff)
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e1000e: fix pci-device enable-counter balance
commit 4e0855dff094b0d56d6b5b271e0ce7851cc1e063 upstream. This patch removes redundant and unbalanced pci_disable_device() from __e1000_shutdown(). pci_clear_master() is enough, device can go into suspended state with elevated enable_cnt. Bug was introduced in commit 23606cf5d1192c2b17912cb2ef6e62f9b11de133 ("e1000e / PCI / PM: Add basic runtime PM support (rev. 4)") in v2.6.35 Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Bruce Allan <bruce.w.allan@intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Borislav Petkov <bp@suse.de> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/e1000e/netdev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 5430a9a..4ef2552 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -5330,7 +5330,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
*/
e1000e_release_hw_control(adapter);
- pci_disable_device(pdev);
+ pci_clear_master(pdev);
return 0;
}