linux-kernel - [PATCH v2 2/2] PCI: hv: Use kfree(hbus) in hv_pci

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Message-Id: <1582351197-12303-2-git-send-email-decui@microsoft.com>
Date:   Fri, 21 Feb 2020 21:59:57 -0800
From:   Dexuan Cui <decui@...rosoft.com>
To:     kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        lorenzo.pieralisi@....com, bhelgaas@...gle.com,
        linux-hyperv@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, mikelley@...rosoft.com
Cc:     Dexuan Cui <decui@...rosoft.com>
Subject: [PATCH v2 2/2] PCI: hv: Use kfree(hbus) in hv_pci_probe()'s error handling path

Now that we use kzalloc() to allocate the hbus buffer, we should use
kfree() in the error path as well.

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

Change in v2: this was part of v1.

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 0fe0283368d2..15011a349520 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;
 }
 
-- 
2.19.1