From 1e0bb46893483215481bcb1b48ed14a7be819b83 Mon Sep 17 00:00:00 2001 From: Yi Yang Date: Mon, 21 Aug 2023 16:40:46 +0800 Subject: [PATCH] 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 Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20230821084046.217025-1-yiyang13@huawei.com Signed-off-by: Sasha Levin --- drivers/mtd/nand/raw/tegra_nand.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/nand/raw/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c index eb0b9d1..a553e3a 100644 --- 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) { -- 2.7.4