From 666224b43b4bd4612ce3b758c038f9bc5c5e3fcb Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 12 Dec 2019 15:55:43 +0200 Subject: [PATCH] spi: bcm2835: Release the DMA channel if probe fails after dma_init The DMA channel was not released if either devm_request_irq() or devm_spi_register_controller() failed. Signed-off-by: Peter Ujfalusi Reviewed-by: Nicolas Saenz Julienne Link: https://lore.kernel.org/r/20191212135550.4634-3-peter.ujfalusi@ti.com Signed-off-by: Mark Brown --- drivers/spi/spi-bcm2835.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index fb61a620effc..662d55e9f21d 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -1327,20 +1327,22 @@ static int bcm2835_spi_probe(struct platform_device *pdev) dev_name(&pdev->dev), ctlr); if (err) { dev_err(&pdev->dev, "could not request IRQ: %d\n", err); - goto out_clk_disable; + goto out_dma_release; } err = devm_spi_register_controller(&pdev->dev, ctlr); if (err) { dev_err(&pdev->dev, "could not register SPI controller: %d\n", err); - goto out_clk_disable; + goto out_dma_release; } bcm2835_debugfs_create(bs, dev_name(&pdev->dev)); return 0; +out_dma_release: + bcm2835_dma_release(ctlr, bs); out_clk_disable: clk_disable_unprepare(bs->clk); out_controller_put: