* [PATCH AUTOSEL 5.6 135/149] PCI: hv: Add missing kfree(hbus) in hv_pci_probe()'s error handling path
[not found] <20200411230347.22371-1-sashal@kernel.org>
@ 2020-04-11 23:03 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2020-04-11 23:03 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Dexuan Cui, Lorenzo Pieralisi, Michael Kelley, Sasha Levin,
linux-hyperv, linux-pci
From: Dexuan Cui <decui@microsoft.com>
[ 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@microsoft.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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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2020-04-11 23:03 ` [PATCH AUTOSEL 5.6 135/149] PCI: hv: Add missing kfree(hbus) in hv_pci_probe()'s error handling path Sasha Levin
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