Re: [PATCH v2] PCI: endpoint: Set RX DMA channel to NULL after freeing it

Manivannan Sadhasivam
2024-12-26T16:31:32Z

On Sat, Dec 21, 2024 at 09:34:42AM -0800, Mohamed Khalfella wrote:
> Fix a small bug in pci-epf-test driver. When requesting TX DMA channel
> fails, free already allocated RX channel and set it to NULL.
>

Patch description should accurately describe what the patch does. Here, the
patch is fixing the NULL ptr assignment to dma_chan_rx pointer and that's it.

Reword it as such.

- Mani

> 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
>

--
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