1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 659b49bf6fdb..cf462b1abc0b 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -1329,8 +1329,9 @@ static int tegra_dma_probe(struct platform_device *pdev)
                 return -ENODEV;
         }
 
-        tdma = devm_kzalloc(&pdev->dev, sizeof(*tdma) + cdata->nr_channels *
-                        sizeof(struct tegra_dma_channel), GFP_KERNEL);
+        tdma = devm_kzalloc(&pdev->dev,
+                            struct_size(tdma, channels, cdata->nr_channels),
+                            GFP_KERNEL);
         if (!tdma)
                 return -ENOMEM;