mtd: rawnand: tegra: add missing check for platform_get_irq()

[ Upstream commit 0a1166c27d4e53186e6bf9147ea6db9cd1d65847 ]

Add the missing check for platform_get_irq() and return error code
if it fails.

Fixes: d7d9f8ec77fe ("mtd: rawnand: add NVIDIA Tegra NAND Flash controller driver")
Signed-off-by: Yi Yang <yiyang13@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20230821084046.217025-1-yiyang13@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/mtd/nand/raw/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c
index eb0b9d1..a553e3a 100644 (file)
--- a/drivers/mtd/nand/raw/tegra_nand.c
+++ b/drivers/mtd/nand/raw/tegra_nand.c
@@ -1197,6 +1197,10 @@ static int tegra_nand_probe(struct platform_device *pdev)
        init_completion(&ctrl->dma_complete);
 
        ctrl->irq = platform_get_irq(pdev, 0);
+       if (ctrl->irq < 0) {
+               err = ctrl->irq;
+               goto err_put_pm;
+       }
        err = devm_request_irq(&pdev->dev, ctrl->irq, tegra_nand_irq, 0,
                               dev_name(&pdev->dev), ctrl);
        if (err) {