dmaengine: qcom_hidma: kill the tasklets upon exit

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Acked-by: Sinan Kaya <okaya@codeaurora.org>

diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index 41b5c6d..b2374cd 100644 (file)
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -708,6 +708,7 @@ static int hidma_remove(struct platform_device *pdev)
        pm_runtime_get_sync(dmadev->ddev.dev);
        dma_async_device_unregister(&dmadev->ddev);
        devm_free_irq(dmadev->ddev.dev, dmadev->irq, dmadev->lldev);
+       tasklet_kill(&dmadev->task);
        hidma_debug_uninit(dmadev);
        hidma_ll_uninit(dmadev->lldev);
        hidma_free(dmadev);