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Merge branch 'remotes/lorenzo/pci/endpoint'

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- Avoid NULL pointer dereference in dma_release_channel() (Kunihiko
    Hayashi)

* remotes/lorenzo/pci/endpoint:
  PCI: endpoint: functions/pci-epf-test: Fix DMA channel release
This commit is contained in:
Bjorn Helgaas
2020-06-04 12:59:16 -05:00
parent b9fcf4910b 0e86d981f9
commit d611b2b853
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/endpoint/functions/pci-epf-test.c
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@@ -187,6 +187,9 @@ static int pci_epf_test_init_dma_chan(struct pci_epf_test *epf_test)
*/ */
static void pci_epf_test_clean_dma_chan(struct pci_epf_test *epf_test) static void pci_epf_test_clean_dma_chan(struct pci_epf_test *epf_test)
{ {
if (!epf_test->dma_supported)
return;
dma_release_channel(epf_test->dma_chan); dma_release_channel(epf_test->dma_chan);
epf_test->dma_chan = NULL; epf_test->dma_chan = NULL;
} }