[PATCH v3] PCI: endpoint: pci-epf-test: Fix NULL ptr assignment to dma_chan_rx

Mohamed Khalfella
2024-12-27T16:08:56Z

If dma_chan_tx allocation fails, set dma_chan_rx to NULL after it is
freed.

Fixes: 8353813c88ef ("PCI: endpoint: Enable DMA tests for endpoints with DMA capabilities")
Signed-off-by: Mohamed Khalfella <khalfella@gmail.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
---
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 ef6677f34116..d90c8be7371e 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -251,7 +251,7 @@ static int pci_epf_test_init_dma_chan(struct pci_epf_test *epf_test)

fail_back_rx:
dma_release_channel(epf_test->dma_chan_rx);
- epf_test->dma_chan_tx = NULL;
+ epf_test->dma_chan_rx = NULL;

fail_back_tx:
dma_cap_zero(mask);
--
2.45.2