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dmaengine: mv_xor_v2: kill the tasklets upon exit

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The mv_xor_v2 driver uses a tasklet, initialized during the probe()
routine. However, it forgets to cleanup the tasklet using
tasklet_kill() function during the remove() routine, which this patch
fixes. This prevents the tasklet from potentially running after the
module has been removed.

Fixes: 19a340b1a8 ("dmaengine: mv_xor_v2: new driver")

Signed-off-by: Hanna Hawa <hannah@marvell.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Hanna Hawa 2018-07-17 13:30:00 +03:00 committed by Vinod Koul
parent 48c008b591
commit 8bbafed8dd
1 changed files with 2 additions and 0 deletions
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drivers/dma/mv_xor_v2.c
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@ -903,6 +903,8 @@ static int mv_xor_v2_remove(struct platform_device *pdev)
platform_msi_domain_free_irqs(&pdev->dev);
tasklet_kill(&xor_dev->irq_tasklet);
clk_disable_unprepare(xor_dev->clk);
return 0;