[PATCH 2/3] dmaengine: dw-edma: Add missing call to 'pci_free_irq_vectors()' in probe function

[Dejin Zheng]

Call to 'pci_free_irq_vectors()' is missing in the error handling path
of the probe function, So add it.

Fixes: 41aaff2a2ac01c5 ("dmaengine: Add Synopsys eDMA IP PCIe glue-logic")
Signed-off-by: Dejin Zheng <zhengdej...@gmail.com>
---
 drivers/dma/dw-edma/dw-edma-pcie.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c 
b/drivers/dma/dw-edma/dw-edma-pcie.c
index 1eafc602e17e..c1e796bd3ee9 100644
--- a/drivers/dma/dw-edma/dw-edma-pcie.c
+++ b/drivers/dma/dw-edma/dw-edma-pcie.c
@@ -185,24 +185,31 @@ static int dw_edma_pcie_probe(struct pci_dev *pdev,
        /* Validating if PCI interrupts were enabled */
        if (!pci_dev_msi_enabled(pdev)) {
                pci_err(pdev, "enable interrupt failed\n");
-               return -EPERM;
+               err = -EPERM;
+               goto err_free_irq;
        }
 
        dw->irq = devm_kcalloc(dev, nr_irqs, sizeof(*dw->irq), GFP_KERNEL);
-       if (!dw->irq)
-               return -ENOMEM;
+       if (!dw->irq) {
+               err = -ENOMEM;
+               goto err_free_irq;
+       }
 
        /* Starting eDMA driver */
        err = dw_edma_probe(chip);
        if (err) {
                pci_err(pdev, "eDMA probe failed\n");
-               return err;
+               goto err_free_irq;
        }
 
        /* Saving data structure reference */
        pci_set_drvdata(pdev, chip);
 
        return 0;
+
+err_free_irq:
+       pci_free_irq_vectors(pdev);
+       return err;
 }
 
 static void dw_edma_pcie_remove(struct pci_dev *pdev)
-- 
2.25.0