The dma_set_mask() function returns negative error codes on failure but
this code is testing for zero instead.
Fixes: f4b49c7c5e67 ("iommu/mediatek: Set dma_mask for PGTABLE_PA_35_EN")
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
---
drivers/iommu/mtk_iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 1a75b4382a92..6a00ce208dc2 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1260,7 +1260,7 @@ static int mtk_iommu_probe(struct platform_device *pdev)
if (MTK_IOMMU_HAS_FLAG(data->plat_data, PGTABLE_PA_35_EN)) {
ret = dma_set_mask(dev, DMA_BIT_MASK(35));
- if (!ret) {
+ if (ret) {
dev_err(dev, "Failed to set dma_mask 35.\n");
return ret;
}
--
2.39.1
