From: Vinod Koul <vinod.koul@intel.com>
Date: Tue, 5 Jul 2016 09:27:40 +0000 (+0530)
Subject: dmaengine: qcom_hidma: kill the tasklets upon exit
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bd16934a5630f1e7294f33f1f72d89d4f6e6aeae;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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 41b5c6dee713..b2374cd91e45 100644
--- 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);