[PATCH AUTOSEL 5.6 135/149] PCI: hv: Add missing kfree(hbus) in hv_pci_probe()'s error handling path

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From: Dexuan Cui <decui@xxxxxxxxxxxxx>

[ Upstream commit 42c3d41832ef4fcf60aaa6f748de01ad99572adf ]

Now that we use kzalloc() to allocate the hbus buffer, we must call
kfree() in the error path as well to prevent memory leakage.

Fixes: 877b911a5ba0 ("PCI: hv: Avoid a kmemleak false positive caused by the hbus buffer")
Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/pci/controller/pci-hyperv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 9977abff92fc5..6b3cee4324047 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -3058,7 +3058,7 @@ static int hv_pci_probe(struct hv_device *hdev,
 free_dom:
 	hv_put_dom_num(hbus->sysdata.domain);
 free_bus:
-	free_page((unsigned long)hbus);
+	kfree(hbus);
 	return ret;
 }
 
-- 
2.20.1




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