If devm_request_irq() fails to disable all interrupts, no cleanup is performed before retuning the error. To fix this issue, invoke omap_dma_free() to do the cleanup. Signed-off-by: Wenwen Wang <wenwen@xxxxxxxxxx> --- drivers/dma/ti/omap-dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c index ba2489d..5158b58 100644 --- a/drivers/dma/ti/omap-dma.c +++ b/drivers/dma/ti/omap-dma.c @@ -1540,8 +1540,10 @@ static int omap_dma_probe(struct platform_device *pdev) rc = devm_request_irq(&pdev->dev, irq, omap_dma_irq, IRQF_SHARED, "omap-dma-engine", od); - if (rc) + if (rc) { + omap_dma_free(od); return rc; + } } if (omap_dma_glbl_read(od, CAPS_0) & CAPS_0_SUPPORT_LL123) -- 2.7.4