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Date: Tue, 20 Dec 2022 08:59:29 +0400 From: Miaoqian Lin <linmq006@...il.com> To: Lorenzo Pieralisi <lpieralisi@...nel.org>, Krzysztof WilczyĆski <kw@...ux.com>, Manivannan Sadhasivam <mani@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org Cc: linmq006@...il.com Subject: [PATCH] PCI: endpoint: Fix potential double free in __pci_epc_create When all references are dropped, callback function pci_epc_release() for put_device() already call kfree(epc) to release memory. Remove abundant kfree to fix double free. Fixes: 7711cbb4862a ("PCI: endpoint: Fix WARN() when an endpoint driver is removed") Signed-off-by: Miaoqian Lin <linmq006@...il.com> --- drivers/pci/endpoint/pci-epc-core.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index 2542196e8c3d..7dc640c99d9a 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -800,8 +800,6 @@ __pci_epc_create(struct device *dev, const struct pci_epc_ops *ops, put_dev: put_device(&epc->dev); - kfree(epc); - err_ret: return ERR_PTR(ret); } -- 2.25.1
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