[PATCH 3/3] iommu/vsi: Unprepare the clocks when getting the IRQ fails

[Arun Iyengar via B4 Relay]

From: Arun Iyengar <aiyengar1990@xxxxxxxxx>

vsi_iommu_probe() returns without clk_bulk_unprepare() when
platform_get_irq() fails.

Fixes: 917ace84b770 ("iommu: Add verisilicon IOMMU driver")
Signed-off-by: Arun Iyengar <aiyengar1990@xxxxxxxxx>
---
 drivers/iommu/vsi-iommu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/vsi-iommu.c b/drivers/iommu/vsi-iommu.c
index 8a0f253f2017..579eb1ab5683 100644
--- a/drivers/iommu/vsi-iommu.c
+++ b/drivers/iommu/vsi-iommu.c
@@ -707,8 +707,10 @@ static int vsi_iommu_probe(struct platform_device *pdev)
 		return err;
 
 	iommu->irq = platform_get_irq(pdev, 0);
-	if (iommu->irq < 0)
-		return iommu->irq;
+	if (iommu->irq < 0) {
+		err = iommu->irq;
+		goto err_unprepare_clocks;
+	}
 
 	err = devm_request_irq(iommu->dev, iommu->irq, vsi_iommu_irq,
 			       IRQF_SHARED, dev_name(dev), iommu);

-- 
2.55.0