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PCI: endpoint: pci-epf-test: Set dma_chan_rx pointer to NULL on error

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[ Upstream commit b1b1f4b12969130c0a6ec0cf0299460cb01e799c ]

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

Link: https://lore.kernel.org/r/20241227160841.92382-1-khalfella@gmail.com
Fixes: 8353813c88 ("PCI: endpoint: Enable DMA tests for endpoints with DMA capabilities")
Signed-off-by: Mohamed Khalfella <khalfella@gmail.com>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mohamed Khalfella
2024-12-27 08:08:41 -08:00
committed by Greg Kroah-Hartman
parent 24576899c4
commit f12f548cc4
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/endpoint/functions/pci-epf-test.c
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@@ -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);