From: Vinod Koul <vinod.koul@intel.com>
Date: Tue, 5 Jul 2016 06:26:10 +0000 (+0530)
Subject: dmaengine: sirf-dma: kill the tasklets upon exit
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=1f11e37729d7bedd5c9aba59550f694307b7efd9;p=deliverable%2Flinux.git

dmaengine: sirf-dma: 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>
Cc: Barry Song <Baohua.Song@csr.com>
---

diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index 906877919cf3..d8bc3f2a71db 100644
--- a/drivers/dma/sirf-dma.c
+++ b/drivers/dma/sirf-dma.c
@@ -980,6 +980,7 @@ static int sirfsoc_dma_remove(struct platform_device *op)
 	of_dma_controller_free(op->dev.of_node);
 	dma_async_device_unregister(&sdma->dma);
 	free_irq(sdma->irq, sdma);
+	tasklet_kill(&sdma->tasklet);
 	irq_dispose_mapping(sdma->irq);
 	pm_runtime_disable(&op->dev);
 	if (!pm_runtime_status_suspended(&op->dev))