diff options
Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 2ab2ecfe01f8..2d14dc846b83 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -1173,6 +1173,8 @@ static int mtk_iommu_probe(struct platform_device *pdev) banks_num = data->plat_data->banks_num; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; if (resource_size(res) < banks_num * MTK_IOMMU_BANK_SZ) { dev_err(dev, "banknr %d. res %pR is not enough.\n", banks_num, res); return -EINVAL; |