From: Dexuan Cui <decui@microsoft.com>
To: "bhelgaas@google.com" <bhelgaas@google.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
KY Srinivasan <kys@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
"olaf@aepfle.de" <olaf@aepfle.de>,
"apw@canonical.com" <apw@canonical.com>,
"jasowang@redhat.com" <jasowang@redhat.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>,
"driverdev-devel@linuxdriverproject.org"
<driverdev-devel@linuxdriverproject.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
Jack Morgenstein <jackm@mellanox.com>,
"Michael Kelley \(EOSG\)" <Michael.H.Kelley@microsoft.com>,
"marcelo.cerri@canonical.com" <marcelo.cerri@canonical.com>,
"vkuznets@redhat.com" <vkuznets@redhat.com>
Subject: [PATCH v2 2/6] PCI: hv: hv_eject_device_work(): remove the bogus test
Date: Mon, 5 Mar 2018 19:22:15 +0000 [thread overview]
Message-ID: <20180305192134.32207-3-decui@microsoft.com> (raw)
In-Reply-To: <20180305192134.32207-1-decui@microsoft.com>
When we're in the function, hpdev->state must be hv_pcichild_ejecting:
see hv_pci_eject_device().
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Jack Morgenstein <jackm@mellanox.com>
Cc: stable@vger.kernel.org
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Michael Kelley (EOSG) <Michael.H.Kelley@microsoft.com>
---
drivers/pci/host/pci-hyperv.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
index 1233300f41c6..04edb24c92ee 100644
--- a/drivers/pci/host/pci-hyperv.c
+++ b/drivers/pci/host/pci-hyperv.c
@@ -1796,10 +1796,7 @@ static void hv_eject_device_work(struct work_struct *work)
hpdev = container_of(work, struct hv_pci_dev, wrk);
- if (hpdev->state != hv_pcichild_ejecting) {
- put_pcichild(hpdev, hv_pcidev_ref_pnp);
- return;
- }
+ WARN_ON(hpdev->state != hv_pcichild_ejecting);
/*
* Ejection can come before or after the PCI bus has been set up, so
--
2.7.4
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next prev parent reply other threads:[~2018-03-05 19:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-05 19:22 [PATCH v2 0/6] some fixes to the pci-hyperv driver Dexuan Cui
2018-03-05 19:22 ` [PATCH v2 1/6] PCI: hv: fix a comment typo in _hv_pcifront_read_config() Dexuan Cui
2018-03-05 19:22 ` Dexuan Cui [this message]
2018-03-05 19:22 ` [PATCH v2 3/6] PCI: hv: serialize the present/eject work items Dexuan Cui
2018-03-05 19:22 ` [PATCH v2 4/6] PCI: hv: remove hbus->enum_sem Dexuan Cui
2018-03-05 19:22 ` [PATCH v2 5/6] PCI: hv: hv_pci_devices_present(): only queue a new work when necessary Dexuan Cui
2018-03-05 23:47 ` Michael Kelley (EOSG)
2018-03-06 0:17 ` Dexuan Cui
2018-03-05 19:22 ` [PATCH v2 6/6] PCI: hv: fix 2 hang issues in hv_compose_msi_msg() Dexuan Cui
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