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-rw-r--r--drivers/iommu/rockchip-iommu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index e845bd01a1a2..9be032236a03 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -526,7 +526,7 @@ static irqreturn_t rk_iommu_irq(int irq, void *dev_id)
int i, err;
err = pm_runtime_get_if_in_use(iommu->dev);
- if (WARN_ON_ONCE(err <= 0))
+ if (!err || WARN_ON_ONCE(err < 0))
return ret;
if (WARN_ON(clk_bulk_enable(iommu->num_clocks, iommu->clocks)))