From: Alan Mikhak <alan.mikhak@xxxxxxxxxx>
In the case where pci_epf_test_write() cannot transfer using DMA, the
allocation of 'buf' leaks on the error return path. Fix by jumping to
the label err_dma_map to free the 'buf' before returning.
Fixes: a558357b1b34 ("PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer data")
Signed-off-by: Alan Mikhak <alan.mikhak@xxxxxxxxxx>
---
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 60330f3e3751..22fb2858f20a 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -438,7 +438,7 @@ 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,
--
2.7.4
