Add check for hv_is_hyperv_initialized() at the top of init_hv_pci_drv(),
so if the pci-hyperv driver is force-loaded on non Hyper-V platforms, the
init_hv_pci_drv() will exit immediately, without any side effects, like
assignments to hvpci_block_ops, etc.
Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Reported-and-tested-by: Mohammad Alqayeem <mohammad.alqyeem@xxxxxxxxxxx>
---
drivers/pci/controller/pci-hyperv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 6511648271b2..bebe3eeebc4e 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -3476,6 +3476,9 @@ static void __exit exit_hv_pci_drv(void)
static int __init init_hv_pci_drv(void)
{
+ if (!hv_is_hyperv_initialized())
+ return -ENODEV;
+
/* Set the invalid domain number's bit, so it will not be used */
set_bit(HVPCI_DOM_INVALID, hvpci_dom_map);
--
2.25.1
