From 208ee586f86237969a91ac60ea10f48db9135143 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 6 Mar 2023 20:31:12 +0200 Subject: [PATCH] spi: mpc5xxx-psc: Return immediately if IRQ resource is unavailable Return immediately if IRQ resource is unavailable. This will also propagate the correct error code in such cases. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230306183115.87314-3-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown --- drivers/spi/spi-mpc512x-psc.c | 3 +++ drivers/spi/spi-mpc52xx-psc.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index a2ea24a..8a436d1 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -490,6 +490,9 @@ static int mpc512x_psc_spi_of_probe(struct platform_device *pdev) (struct mpc512x_psc_fifo *)(tempp + sizeof(struct mpc52xx_psc)); mps->irq = platform_get_irq(pdev, 0); + if (mps->irq < 0) + return mps->irq; + ret = devm_request_irq(dev, mps->irq, mpc512x_psc_spi_isr, IRQF_SHARED, "mpc512x-psc-spi", mps); if (ret) diff --git a/drivers/spi/spi-mpc52xx-psc.c b/drivers/spi/spi-mpc52xx-psc.c index 1bf728f..b75bc24 100644 --- a/drivers/spi/spi-mpc52xx-psc.c +++ b/drivers/spi/spi-mpc52xx-psc.c @@ -328,6 +328,9 @@ static int mpc52xx_psc_spi_of_probe(struct platform_device *pdev) mps->fifo = ((void __iomem *)mps->psc) + sizeof(struct mpc52xx_psc); mps->irq = platform_get_irq(pdev, 0); + if (mps->irq < 0) + return mps->irq; + ret = devm_request_irq(dev, mps->irq, mpc52xx_psc_spi_isr, 0, "mpc52xx-psc-spi", mps); if (ret) -- 2.7.4