linux-kernel - [PATCH] PCI: endpoint fix misused goto label

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Date:   Fri, 21 Jan 2022 15:48:23 +0800
From:   Li Chen <lchen.firstlove@...omail.com>
To:     "Kishon Vijay Abraham I" <kishon@...com>,
        "Lorenzo Pieralisi" <lorenzo.pieralisi@....com>,
        "Krzysztof Wilczyński" <kw@...ux.com>,
        "Bjorn Helgaas" <bhelgaas@...gle.com>,
        "linux-pci" <linux-pci@...r.kernel.org>,
        "linux-kernel" <linux-kernel@...r.kernel.org>
Subject: [PATCH] PCI: endpoint fix misused goto label

From: Li Chen <lchen@...arella.com>

If we goto err_map_addr here, buf allocated
via kmalloc won't get freeed, then memoryleak.

Signed-off-by: Li Chen <lchen@...arella.com>
---
 drivers/pci/endpoint/functions/pci-epf-test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index 96489cfdf58db..60303223976a1 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -441,7 +441,7 @@ static int pci_epf_test_write(struct pci_epf_test *epf_test)
 		if (!epf_test->dma_supported) {
 			dev_err(dev, "Cannot transfer data using DMA\n");
 			ret = -EINVAL;
-			goto err_map_addr;
+			goto err_dma_map;
 		}
 
 		src_phys_addr = dma_map_single(dma_dev, buf, reg->size,
-- 
2.34.1