diff options
| author | Dexuan Cui <decui@microsoft.com> | 2018-03-15 14:21:43 +0000 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2018-03-16 18:19:02 +0000 |
| commit | fca288c0153b2b97114b9081bc3c33c3735145b6 (patch) | |
| tree | c244bf8dc1dcc76f3012da68df50d7ee7aa05bd6 /drivers/pci | |
| parent | df3f2159f4e4146d40b244725ce79ed921530b99 (diff) | |
PCI: hv: Remove the bogus test in hv_eject_device_work()
When kernel is executing hv_eject_device_work(), hpdev->state value must
be hv_pcichild_ejecting; any other value would consist in a bug,
therefore replace the bogus check with an explicit WARN_ON() on the
condition failure detection.
Signed-off-by: Dexuan Cui <decui@microsoft.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Jack Morgenstein <jackm@mellanox.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/host/pci-hyperv.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c index 0d2a09833a05..0dc2ecdbbe45 100644 --- a/drivers/pci/host/pci-hyperv.c +++ b/drivers/pci/host/pci-hyperv.c @@ -1842,10 +1842,7 @@ 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 |